Tsukuba, Ibaraki Prefecture Airbnb Market Data 2025: STR Report & Statistics
How much can you earn on Airbnb in Tsukuba, Ibaraki Prefecture? Based on AirROI's 2025 dataset (May 2024 – April 2025), the short answer is $9,774 per year — at a $71 nightly rate, 39.2% occupancy, and a N/A RevPAR.
With just 17 active listings, Tsukuba is a micro-market where moderate demand with room for well-positioned listings to outperform. Supply grew 13.3% over the past year, yet revenue and nightly rates both trended upward — a signal that traveler demand is outpacing new inventory rather than being diluted by it. For hosts, pricing power remains intact even as competition increases.
Regulation is high and 76% of listings show active registration — compliance is the cost of entry. In a market this size, differentiated listings with strong reviews can capture outsized returns relative to the competition.

Table of Contents [hide] [show]
What Are the Key Airbnb Metrics in Tsukuba?
In Tsukuba, the headline Airbnb metrics are $9,774 in average annual revenue,39.2% occupancy, $71 ADR, and $0 in RevPAR, and guests book about 46 days in advance.
How Much Do Airbnb Hosts Earn Monthly in Tsukuba?
Understanding the monthly revenue variations for Airbnb listings in Tsukuba is key to maximizing your short term rental income potential. Seasonality significantly impacts earnings. Our analysis, based on data from the past 12 months, shows that the peak revenue month for STRs in Tsukuba is typically August, while May often presents the lowest earnings, highlighting opportunities for strategic pricing adjustments during shoulder and low seasons. Explore the typical Airbnb income in Tsukuba across different performance tiers:
- Best-in-class properties (Top 10%) achieve $3,168+ monthly, often utilizing dynamic pricing and superior guest experiences.
- Strong performing properties (Top 25%) earn $810 or more, indicating effective management and desirable locations/amenities.
- Typical properties (Median) generate around $501 per month, representing the average market performance.
- Entry-level properties (Bottom 25%) see earnings around $259, often with potential for optimization.
Average Monthly Airbnb Earnings Trend in Tsukuba
What Is the Monthly Airbnb Occupancy Rate in Tsukuba?
Maximize your bookings by understanding the Tsukuba STR occupancy trends. Seasonal demand shifts significantly influence how often properties are booked. Typically, Augustsees the highest demand (peak season occupancy), while October experiences the lowest (low season). Effective strategies, like adjusting minimum stays or offering promotions, can boost occupancy during slower periods. Here's how different property tiers perform in Tsukuba:
- Best-in-class properties (Top 10%) achieve 74%+ occupancy, indicating high desirability and potentially optimized availability.
- Strong performing properties (Top 25%) maintain 56% or higher occupancy, suggesting good market fit and guest satisfaction.
- Typical properties (Median) have an occupancy rate around 39%.
- Entry-level properties (Bottom 25%) average 19% occupancy, potentially facing higher vacancy.
Average Monthly Occupancy Rate Trend in Tsukuba
What Is the Average Airbnb Nightly Rate in Tsukuba?
Effective short term rental pricing strategy in Tsukuba involves understanding monthly ADR fluctuations. The Average Daily Rate (ADR) for Airbnb in Tsukuba typically peaks in January and dips lowest during September. Leveraging Airbnb dynamic pricing tools or strategies based on this seasonality can significantly boost revenue. Here's a look at the typical nightly rates achieved:
- Best-in-class properties (Top 10%) command rates of $237+ per night, often due to premium features or locations.
- Strong performing properties (Top 25%) achieve nightly rates of $57 or more.
- Typical properties (Median) charge around $37 per night.
- Entry-level properties (Bottom 25%) earn around $32 per night.
Average Daily Rate (ADR) Trend by Month in Tsukuba
What Is the RevPAR for Airbnb in Tsukuba?
RevPAR in Tsukuba is currently N/A. Because RevPAR combines nightly rates with realized occupancy, it is one of the cleanest ways to compare how efficiently listings turn demand into revenue across the market.
- Entry-level properties (Bottom 25%) see N/A RevPAR.
- Typical properties (Median) generate N/A RevPAR.
- Strong performers (Top 25%) earn N/A RevPAR.
- Best-in-class (Top 10%) achieve N/A RevPAR.
Average Monthly RevPAR Trend in Tsukuba
RevPAR Insights for Tsukuba
- RevPAR peaks in Jan and bottoms out in Jan, mirroring the broader seasonal demand pattern and suggesting opportunities for dynamic pricing.
Recommendations for Hosts
- Track your own RevPAR monthly against these Tsukuba benchmarks. If your RevPAR falls below the median of N/A, examine whether low occupancy or low ADR is the primary drag.
- Use RevPAR rather than revenue alone when comparing properties of different sizes — it normalizes for available nights and gives a more accurate picture of performance.
Get Live Tsukuba Market Intelligence 👇

Explore Real-time Analytics
When Is the Peak Season for Airbnb in Tsukuba?
Tsukuba's peak Airbnb season falls in August, July, November, while the softest stretch is April, May, October. Overall, the market shows highly seasonal trends requiring careful strategy, which should guide pricing, minimum stays, and cash-flow planning.
Peak Season (August, July, November)
- Revenue averages $1,476 per month
- Occupancy rates average 43.3%
- Daily rates average $68
Shoulder Season
- Revenue averages $1,011 per month
- Occupancy maintains around 42.9%
- Daily rates hold near $71
Low Season (April, May, October)
- Revenue drops to average $737 per month
- Occupancy decreases to average 30.0%
- Daily rates adjust to average $70
Seasonality Insights for Tsukuba
- Airbnb seasonality in Tsukuba is pronounced. Revenue swings sharply between peak and low months, which means pricing strategy, minimum-stay settings, and cash reserves all need to account for extended slower periods.
- During the high season, the absolute peak month showcases Tsukuba's highest earning potential, with monthly revenues climbing to $1,803, occupancy reaching 54.4%, and ADRs peaking at $74.
- Conversely, the slowest single month marks the market's lowest point — revenue may dip to $682, occupancy could drop to 29.3%, and ADRs may adjust to $67.
- Lower occupancy paired with meaningful seasonality means hosts in Tsukuba need to maximize every peak-season booking and seriously consider whether off-season pricing adjustments or minimum-stay changes can capture incremental revenue.
Seasonal Strategies for Maximizing Profit
- Peak Season: Maximize revenue through premium pricing. In a high-regulation market like Tsukuba, ensure your permit covers the number of nights you plan to book — some jurisdictions cap annual rental days.
- Low Season: Offer competitive pricing, extended-stay discounts, and flexible cancellation policies. Target off-season travelers like remote workers, budget-conscious guests, and travelers with flexible schedules.
- Shoulder Seasons: Implement dynamic pricing that bridges peak and low rates. Target weekend travelers, local events, and business visitors. Slightly more flexible terms than peak season can help maintain occupancy without deep discounting.
- In a highly seasonal market like Tsukuba, building a cash reserve during the top months is essential for covering fixed costs during the slow period. Automated pricing tools can help capture demand shifts in real time.
Do You Need a License for Airbnb in Tsukuba?
Yes, Tsukuba, Ibaraki Prefecture, Japan enforces high STR regulations and 76% of active listings show registration evidence — indicating that enforcement is active and compliance is a prerequisite for operating legally. Hosts entering this market should budget for permit fees, inspections, and potential occupancy tax obligations as part of their startup costs. Always verify the latest short-term rental regulations and Airbnb license requirements directly with local government authorities for Tsukuba to ensure full compliance before hosting.
(Source: AirROI data, 2026, based on 76% licensed listings)
What Are the Best Neighborhoods for Airbnb in Tsukuba?
With a compact short-term rental market, Tsukuba gives early-mover hosts an advantage in the right neighborhoods. The areas listed below are where guest demand and local attractions converge — a useful lens for investors evaluating whether to enter this market and where to position their listing.
| Neighborhood / Area | Why Host Here? (Target Guests & Appeal) | Key Attractions & Landmarks |
|---|---|---|
| Tsukuba Science City | A hub of scientific research and technology with many universities and institutes. Ideal for guests visiting for conferences and educational purposes. | Tsukuba Space Center, National Museum of Nature and Science, Tsukuba Expo '85 Memorial Park, Akiyama Park, Tsukuba Botanical Garden |
| Odaiba Park | A beautiful park area great for picnics and family outings, with views of the waterfront and nearby attractions. Perfect for families and leisure travelers. | Odaiba Seaside Park, DiverCity Tokyo Plaza, Miraikan, Palette Town, VenusFort |
| Tsukuba Expo Memorial Park | A large park with historical significance and various recreational activities. Popular among locals and visitors alike for outdoor events. | Tsukuba Expo Memorial Center, Japanese Garden, Open-air museum, Cycling paths, Cherry blossom viewing places |
| Tsukuba Center Area | The central area of Tsukuba with shopping, dining, and entertainment. Offers convenience for travelers looking to explore the city and its amenities. | Tsukuba Center Shopping Mall, Tsukuba Culture and Sports Center, Tsukuba Community Theatre |
| University of Tsukuba Grounds | Home to one of Japan's leading universities. Attracts students and faculty, making it a good location for short-term stays. | University of Tsukuba Art Gallery, University Library, Sports facilities |
| Mount Tsukuba | A popular hiking destination known for its natural beauty and panoramic views. Attracts outdoor enthusiasts and nature lovers. | Mount Tsukuba Hiking Trail, Tsukubasan Shrine, Tsukuba Observatory, Shinrin Park |
| Tsuchiura River Walk | A scenic walk along the river, popular for jogging and leisurely strolls. Ideal for guests looking for outdoor activities. | Tsuchiura River, Cycle paths, Nature observation spots |
| Tsukuba Botanical Garden | A beautiful and tranquil botanical garden showcasing a variety of plants. Great for tourists looking for peaceful surroundings and educational experiences. | Japanese garden exhibit, Tropical plant house, Seasonal flower displays |
Because Tsukuba has a high regulation profile, confirming that short-term rental permits are available in your target neighborhood is a critical first step before committing to a property purchase. Regulation can vary at the neighborhood or district level even within the same city.
What Types of Properties Are on Airbnb in Tsukuba?
Room Type Distribution
Property Type Distribution
Market Composition Insights for Tsukuba
- The Tsukuba Airbnb market composition is heavily skewed towards Private Room listings, which make up 70.6% of the 17 active rentals. This indicates strong guest preference for privacy and space.
- Looking at the property type distribution in Tsukuba, Apartment/Condo properties are the most common (47.1%), reflecting the local real estate landscape.
- Houses represent a significant 47.1% portion, catering likely to families or larger groups.
Tsukuba Airbnb Room Capacity Analysis (2026): Bedroom Distribution
Distribution of Listings by Number of Bedrooms
Room Capacity Insights for Tsukuba
- The dominant room capacity in Tsukuba is 1 bedroom listings, making up 47.1% of the market. This suggests a strong demand for properties suitable for couples or solo travelers.
- Together, 1 bedroom and 3 bedrooms properties represent 58.9% of the active Airbnb listings in Tsukuba, indicating a high concentration in these sizes.
Tsukuba Vacation Rental Guest Capacity Trends (2026)
Distribution of Listings by Guest Capacity
Guest Capacity Insights for Tsukuba
- The most common guest capacity trend in Tsukuba vacation rentals is listings accommodating 2 guests (17.6%). This suggests the primary traveler segment is likely couples or solo travelers.
- Properties designed for 2 guests and 3 guests dominate the Tsukuba STR market, accounting for 29.4% of listings.
- 11.8% of properties accommodate 6+ guests, serving the market segment for larger families or group travel in Tsukuba.
- On average, properties in Tsukuba are equipped to host 2.2 guests.
What Amenities Do Airbnb Guests Expect in Tsukuba?
Amenity Prevalence
Amenity Insights for Tsukuba
- Essential amenities in Tsukuba that guests expect include: Hot water, Shampoo, Washer, Bed linens, Refrigerator, Smoke alarm, Hangers. Lacking these (any) could significantly impact bookings.
- Popular amenities like Kitchen, Bathtub, Air conditioning are common but not universal. Offering these can provide a competitive edge.
Recommendations for Hosts
- Ensure your listing includes all essential amenities for Tsukuba: Hot water, Shampoo, Washer, Bed linens, Refrigerator, Smoke alarm, Hangers.
- Consider adding popular differentiators like Kitchen or Bathtub to increase appeal.
- Highlight unique or less common amenities you offer (e.g., hot tub, dedicated workspace, EV charger) in your listing description and photos.
- Regularly check competitor amenities in Tsukuba to stay competitive.
Dive Deeper: Advanced Tsukuba STR Market Data (2026)
Ready to unlock more insights? AirROI provides access to advanced metrics and comprehensive Airbnb data for Tsukuba. Explore detailed analytics beyond this report to refine your investment strategy, optimize pricing, and maximize your vacation rental profits.
Explore Advanced MetricsTsukuba Airbnb Guest Demographics & Profile Analysis (2026)
Guest Profile Summary for Tsukuba
- The typical guest profile for Airbnb in Tsukuba consists of a mix of domestic (60%) and international guests, often arriving from nearby Yokohama, typically belonging to the Post-2000s (Gen Z/Alpha) group (50%), primarily speaking English or Japanese.
- Domestic travelers account for 60.2% of guests.
- Key international markets include Japan (60.2%) and United States (7.4%).
- Top languages spoken are English (35.9%) followed by Japanese (35.1%).
- A significant demographic segment is the Post-2000s (Gen Z/Alpha) group, representing 50% of guests.
Recommendations for Hosts
- Target domestic marketing efforts towards travelers from Yokohama and Tsukuba.
- Tailor amenities and listing descriptions to appeal to the dominant Post-2000s (Gen Z/Alpha) demographic (e.g., highlight fast WiFi, smart home features, local guides).
- Highlight unique local experiences or amenities relevant to the primary guest profile.
- Consider seasonal promotions aligned with peak travel times for key origin markets.
Tsukuba Airbnb Booking Patterns (2026): Available vs. Booked Days
Available Days Distribution
Booked Days Distribution
Booking Pattern Insights for Tsukuba
- The most common availability pattern in Tsukuba falls within the 181-270 days range, representing 47.1% of listings. This suggests many properties have significant open periods on their calendars.
- Approximately 82.4% of listings show high availability (181+ days open annually), indicating potential for increased bookings or specific owner usage patterns.
- For booked days, the 91-180 days range is most frequent in Tsukuba (52.9%), reflecting common guest stay durations or potential owner blocking patterns.
- A notable 17.7% of properties secure long booking periods (181+ days booked per year), highlighting successful long-term rental strategies or significant owner usage.
How Far in Advance Do Guests Book Airbnb in Tsukuba?
Average Booking Lead Time by Month
Booking Lead Time Insights for Tsukuba
- The overall average booking lead time for vacation rentals in Tsukuba is 46 days.
- Guests book furthest in advance for stays during June (average 83 days), likely coinciding with peak travel demand or local events.
- The shortest booking windows occur for stays in April (average 24 days), indicating more last-minute travel plans during this time.
- Seasonally, Summer (75 days avg.) sees the longest lead times, while Winter (35 days avg.) has the shortest, reflecting typical travel planning cycles.
Recommendations for Hosts
- Use the overall average lead time (46 days) as a baseline for your pricing and availability strategy in Tsukuba.
- For June stays, consider implementing length-of-stay discounts or slightly higher rates for bookings made less than 83 days out to capitalize on advance planning.
- Target marketing efforts for the Summer season well in advance (at least 75 days) to capture early planners.
- Monitor your own booking lead times against these Tsukuba averages to identify opportunities for dynamic pricing adjustments.
Tsukuba Airbnb Minimum Stay Requirements Analysis
Distribution of Listings by Minimum Night Requirement
1 Night
15 listings
88.2% of total
2 Nights
2 listings
11.8% of total
Key Insights
- The most prevalent minimum stay requirement in Tsukuba is 1 Night, adopted by 88.2% of listings. This highlights the market's preference for shorter, flexible bookings.
- A strong majority (100.0%) of the Tsukuba Airbnb data shows acceptance of very short stays (1-2 nights), indicating a dynamic, high-turnover market.
Recommendations
- Align with the market by considering a 1 Night minimum stay, as 88.2% of Tsukuba hosts use this setting.
- Adjust minimum nights based on seasonality – potentially shorter during low season and longer during peak demand periods in Tsukuba.
Tsukuba Airbnb Cancellation Policy Trends Analysis (2026)
Flexible
1 listings
7.1% of total
Moderate
11 listings
78.6% of total
Strict
2 listings
14.3% of total
Cancellation Policy Insights for Tsukuba
- The prevailing Airbnb cancellation policy trend in Tsukuba is Moderate, used by 78.6% of listings.
- The market strongly favors guest-friendly terms, with 85.7% of listings offering Flexible or Moderate policies. This suggests guests in Tsukuba may expect booking flexibility.
Recommendations for Hosts
- Consider adopting a Moderate policy to align with the 78.6% market standard in Tsukuba.
- Using a Strict policy might deter some guests, as only 14.3% of listings use it. Evaluate if potential revenue protection outweighs possible lower booking rates.
- Regularly review your cancellation policy against competitors and market demand shifts in Tsukuba.
What Do the Top Airbnb Listings in Tsukuba Look Like?
Benchmark your potential! Explore examples of top-performing Airbnb properties in Tsukubabased on Trailing Twelve Month (TTM) revenue. Analyze their characteristics, revenue, occupancy rate, and ADR to understand what drives success in this market.

Tiny house with private sauna and Mirabus
Entire Place • 1 bedroom

Tsukuba Garden Single House.Enjoy the whole building. No361 *.Tech or family trip is the best
Entire Place • 4 bedrooms

Entire home "Antique Villa" (1 hour hideaway from the city center)
Entire Place • 3 bedrooms

Open!無料WIFI リフォーム済みのお部屋
Entire Place • 1 bedroom

Free parking on premises, fully equipped with cooking utensils, 6 minutes from Tsukuba Station by Ts
Private Room • N/A

stand_tsukuba
Private Room • N/A
Note: Performance varies based on location, size, amenities, seasonality, and management quality. Data reflects the past 12 months.
Who Are the Top Airbnb Hosts in Tsukuba?
Learn from the best! This table showcases top-performing Airbnb hosts in Tsukuba based on the number of properties managed and estimated total revenue over the past year. Analyze their scale and performance metrics.
| Host Name | Properties | Grossing Revenue | Stay Reviews | Avg Rating |
|---|---|---|---|---|
| 武正 | 1 | $53,139 | 363 | 4.83/5.0 |
| Qiao | 1 | $29,919 | 12 | 4.75/5.0 |
| 杉山 | 1 | $27,549 | 23 | 4.83/5.0 |
| 春日ハウス Kasuga House | 5 | $19,176 | 143 | 4.79/5.0 |
| 中山鈴子 | 4 | $13,788 | 94 | 4.66/5.0 |
| Host #154383684 | 2 | $8,642 | 163 | 4.75/5.0 |
| 学 | 1 | $6,414 | 65 | 4.88/5.0 |
| Machiko | 1 | $6,348 | 109 | 4.95/5.0 |
| 旧小林邸 | 1 | $1,185 | 52 | 4.88/5.0 |
Analyzing the strategies of top hosts, such as their property selection, pricing, and guest communication, can offer valuable lessons for optimizing your own Airbnb operations in Tsukuba.
How Does Tsukuba's Airbnb Market Compare to Nearby Cities?
How does the Tsukuba Airbnb market stack up against its neighbors? Compare key performance metrics like average monthly revenue, ADR, and occupancy rates in surrounding areas to understand the broader regional STR landscape.
Compared with Hakone, Tsukuba has 15 percentage points lower occupancy and about $217 lower ADR. That helps frame whether this market is winning more on demand, pricing, or both.
| Market | Active Properties | Monthly Revenue | Daily Rate | Avg. Occupancy |
|---|---|---|---|---|
| Hakone | 263 | $4,386 | $287.95 | 54% |
| Futtsu | 20 | $4,346 | $423.13 | 36% |
| Kamogawa | 25 | $4,169 | $300.63 | 44% |
| Atami | 125 | $3,466 | $309.45 | 40% |
| Hokota | 15 | $3,085 | $238.94 | 47% |
| Miura | 19 | $3,080 | $433.19 | 34% |
| Ichinomiya | 89 | $2,911 | $248.01 | 37% |
| Nasu | 118 | $2,856 | $331.38 | 37% |
| Katsuura | 22 | $2,777 | $261.09 | 36% |
| Kashima | 20 | $2,653 | $212.40 | 37% |
Frequently Asked Questions About Airbnb in Tsukuba
These quick answers summarize the most common investor and operator questions using AirROI's latest market data for Tsukuba.
How much do Airbnb hosts make in Tsukuba?
Tsukuba hosts earn about $9,774 per year on average, with an average nightly rate of $71 and RevPAR of N/A. Those figures describe the typical revenue environment for active listings in Tsukuba, Ibaraki Prefecture, not the ceiling for the best operators. Source: AirROI 2025 data, Tsukuba market, May 2024 to April 2025.
What is the average Airbnb occupancy rate in Tsukuba?
The average Airbnb occupancy rate in Tsukuba is 39.2%. August is the strongest month and May is the softest, so hosts should expect demand to move meaningfully throughout the year rather than stay flat.
What is the average Airbnb daily rate in Tsukuba?
Listings in Tsukuba average $71 per night. The broader pricing spread also matters: lower-performing listings cluster closer to the lower quartiles, while premium homes can price materially above the city average when demand spikes or listing quality stands out.
How many Airbnb listings are active in Tsukuba?
Tsukuba currently has about 17 active Airbnb listings in AirROI's market dataset. That supply count helps explain how competitive the market is, how much depth there is for benchmarking, and whether the market behaves like a niche destination or a scaled urban market.
How strict are short-term rental regulations in Tsukuba?
AirROI currently classifies the short-term rental regulation level in Tsukuba as High. The dataset also shows about 76.5% of listings with registration evidence. That is a market signal, not legal advice, so hosts should still confirm current licensing and compliance rules locally before listing.
What is the RevPAR for Airbnb in Tsukuba?
RevPAR in Tsukuba is about N/A. That metric combines pricing and occupancy into one efficiency number, so it is often a better quick benchmark than ADR alone when investors want to compare how well listings convert nightly rates into realized revenue.
Is Airbnb profitable in Tsukuba?
Occupancy of 39.2% means Tsukuba is a more selective market. Profitability is achievable but requires careful cost management, premium positioning, or targeting longer stays to reduce turnover. Average annual revenue is $9,774, but individual returns depend on property type, location within the city, and the host's operating efficiency.
How far in advance do guests book Airbnb in Tsukuba?
The average booking lead time in Tsukuba is about 46 days — a longer planning horizon typical of destination or vacation markets where travelers book well in advance. Hosts who understand their market's booking cadence can adjust minimum stays and pricing windows accordingly.
What are the best neighborhoods for Airbnb in Tsukuba?
Based on AirROI's analysis, some of the top neighborhoods for short-term rentals in Tsukuba include Tsukuba Science City, Odaiba Park, Tsukuba Expo Memorial Park. Each area attracts different guest profiles — from business travelers to leisure visitors — so the best location depends on the property type and target audience a host is aiming for. See the full neighborhood breakdown above.
What type of property performs best on Airbnb in Tsukuba?
private_room listings make up 70.6% of the active supply in Tsukuba. The most common configuration does not always mean the most profitable — operators who identify underserved property types or bedroom counts can sometimes outperform the market average by filling a gap in local supply.
How does Tsukuba compare to nearby Airbnb markets?
Among neighboring markets, Hakone posts $52,626 in average annual revenue with 54.5% occupancy, compared to Tsukuba's $9,774 and 39.2%. Comparing nearby markets helps investors understand whether a destination's performance reflects local demand or broader regional trends.
When is the peak season for Airbnb in Tsukuba?
August is the highest-revenue month in Tsukuba, while May is the softest. The revenue spread between them indicates a highly seasonal market — revenue in the peak month is more than double the low month, so cash-flow planning and pricing automation are critical.
About AirROI Market Data
AirROI tracks over 20 million properties across 190+ countries and maintains 15+ years of historical performance data, making it one of the deepest Airbnb and STR intelligence platforms available. The analytics pipeline aggregates listing-level data monthly — revenue, occupancy, nightly rates, RevPAR, guest demographics, booking patterns, and competitive supply — so investors and operators can benchmark any market against its own history and against neighboring destinations.
Real estate investors, property managers, financial institutions, hedge funds, tourism boards, hospitality consultants, tech platforms, and academic researchers rely on AirROI data to underwrite acquisitions, optimize pricing, model macro trends, and conduct peer-reviewed research. Data is available through in-depth market reports like this one and the Airbnb API with 22 endpoints and an Airbnb MCP Server for AI agents.
AirROI proprietary analytics as of 2025-04-30. Metrics reflect trailing twelve-month aggregates from active listings. Revenue figures are market averages, not projections. Neighborhood descriptions are AI-generated and reviewed for accuracy. For full methodology, see the data methodology page.