方法論
瞭解URCity的數據來源、計算方法和質量標準。
數據來源
我們僅使用來自政府機構和知名研究組織的官方、經過驗證的數據來源。
美國數據
- C2ER — Cost of Living Index
- Bureau of Labor Statistics — Consumer Expenditure Survey
- Bureau of Economic Analysis — Regional Price Parities
- Zillow Research — Home values, rents, price per sq ft
- HUD — Fair Market Rents
- US Census Bureau — Population, income, education
- NOAA — Climate normals
- Tax Foundation — State and local tax rates
- EIA — Natural gas prices and electricity costs
- FCC — Broadband availability
英國數據
- Office for National Statistics — Cost of living, earnings
- Rightmove — Home values and rental prices
- HMRC — Tax rates
- Met Office — Climate data
- Ofcom — Broadband availability
- Ofgem — Gas and electricity price caps
- Water UK — Water utility costs
加拿大數據
- Statistics Canada — Cost of living, income, demographics
- CREA — Home values and sales data
- CMHC — Rental market data
- Environment Canada — Climate data
- Canada Revenue Agency — Tax rates
- ISED — Broadband data
- Canada Energy Regulator — Natural gas and electricity prices
生活成本指數
我們的生活成本指數基於C2ER方法論。全國平均值設爲100。120分表示該城市比平均水平貴20%。
供暖與製冷成本估算
供暖和製冷成本使用基於物理的模型計算，該模型考慮當地氣候、房屋特徵以及區域燃料/電價。
供暖：月HDD × 0.16 therms/HDD × 當地燃氣價格。製冷：月CDD × 3.5 kWh/CDD × 當地電價。度日數（HDD和CDD）
使用正弦模型從每個城市的夏季最高溫和冬季最低溫推導得出。HDD衡量65°F以下的供暖需求；CDD衡量75°F以上的製冷需求。
房屋特徵
假設爲典型混合年代房屋，配備燃氣供暖和中央空調。供暖和製冷係數根據國家的保溫標準、房屋面積和系統效率進行調整。
當地燃料和電價
來自官方來源的州/省級天然氣和電價：
- US: EIA state-level prices (e.g., Texas: $0.95/therm, New York: $1.40/therm)
- UK: Ofgem price cap (~£1.90/therm)
- Canada: Provincial utility rates (e.g., Ontario: C$1.10/therm)
示例估算
遠程工作評分
我們的遠程工作評分（0-100）結合五個加權因素，衡量一個城市對遠程工作的支持程度。
房屋擁有成本計算器
我們的房屋擁有真實成本計算器使用標準攤銷公式加上當地成本因素。
貨幣與溫度轉換
城市頁面上的所有貨幣值和溫度均可實時轉換。
貨幣
實時匯率。
溫度
網站上所有氣候數據即時°F/°C轉換。
自動檢測
使用瀏覽器時區和語言設置預選適當的默認值。
數據時效性
| 數據類型 | 更新頻率 | 最後更新 |
|---|---|---|
| Cost of Living | 每季度 | June 2026 |
| Housing | 每月 | May 2026 |
| Demographics | 每年 | 2024 ACS |
| Climate | 歷史數據 | 1991–2020 normals |
| Taxes | 每年 | 2026 |
| Exchange Rates | 實時（API） | Real-time |
| Heating Estimates | 每次刷新 | June 2026 |
| School Data | 每年 | 2024–2025 school year |
| University Data | 每年 | 2025 CWUR rankings |
School Quality Score
The School Quality Score is a composite index (0–100) that compares each city's K-12 school system against other cities in the same country. The calculation varies by country based on available data.
United States
- Student:Teacher Ratio (40%) — Lower ratios indicate smaller class sizes. Each city's ratio is ranked against all other US cities.
- Free/Reduced Lunch Rate (40%) — A lower percentage of students eligible for free or reduced-price lunch indicates lower economic disadvantage. Inverted so a lower rate produces a higher score.
- School Level Diversity (20%) — Cities with schools at all three levels (elementary, middle, high) receive full credit.
United Kingdom
- Free School Meal Eligibility (60%) — Lower FSM eligibility indicates lower economic disadvantage. Each city is ranked against all other UK cities.
- School Level Diversity (40%) — Cities with schools at all three phases (primary, secondary, special) receive full credit.
Canada
- Top-Rated Schools (50%) — Number of Fraser Institute ranked schools per city. Each city is ranked against all other Canadian cities.
- School Level Diversity (50%) — Cities with schools at all three levels (elementary, middle, high) receive full credit.
Data Sources
- United States: National Center for Education Statistics (NCES) — Common Core of Data (CCD), 2024–2025 school year
- United Kingdom: Department for Education (DfE) — Schools, pupils and their characteristics, January 2025 census (England only)
- Canada: Fraser Institute School Performance Rankings, 2023–2024
- Coverage: 157 cities across 3 countries (US: 137, UK: 10, Canada: 10) with city-level data
University Data
University presence and ranking data is available for all 1,767+ cities across 68 countries and territories. For each city, we determine:
What We Collect
- University presence — Whether the city has at least one university
- Total universities — Count of universities in the city
- Top-ranked university — Name and global rank of the highest-ranked university
- Top-500 count — Number of universities ranked in the global top 500
Data Source
- Center for World University Rankings (CWUR) — 2025 edition
- Supplemented by a comprehensive world universities database
- University names matched to URCity cities using name variations and country-level filtering
- Coverage: All 1,767+ cities across 68 countries and territories
侷限性
生活成本指數爲平均值，可能無法反映您的具體生活方式。
住房數據爲全市範圍；社區之間可能存在顯著差異。
稅收計算已簡化，未考慮所有扣除項。
氣候數據爲歷史數據；未來天氣模式可能有所不同。
供暖和製冷估算基於典型房屋特徵，可能因房屋面積、保溫、系統效率和當地費率而有所不同。
匯率由第三方API提供，可能存在輕微延遲。
重要免責聲明
本頁上的所有方法論描述、數據來源和計算僅供信息參考。URCity和Northshore Press不保證任何數據的準確性、完整性或時效性。此內容不構成財務、法律、稅務或房地產建議。在做出搬遷或財務決策前，請務必諮詢合格的專業人士並獨立覈實數據。
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