# WorldStats

> Real-time world statistics, country profiles, city data, and climate information for 195 countries and 12,000+ cities.

## Site Structure

- [Home](https://worldstats.org/): Live population, GDP, health, environment, and energy counters.
- [Countries](https://worldstats.org/countries): Profiles for 195 countries with 50+ indicators, charts, and rankings.
- [Cities](https://worldstats.org/cities): Population, weather, timezone, and climate data for 12,000+ cities.
- [Rankings](https://worldstats.org/rankings): Countries ranked by every indicator with sortable tables.
- [Indicators](https://worldstats.org/indicators): 50+ statistical categories covering demographics, economics, health, education, energy, and environment.
- [Compare Countries](https://worldstats.org/compare): Side-by-side comparison of any two countries across 50+ indicators.
- [World Map](https://worldstats.org/world-map): Interactive map color-coded by any indicator.
- [World Population](https://worldstats.org/world-population): Live population clock, historical data from 1950, projections to 2100.
- [Flags](https://worldstats.org/flags): Every country flag with symbolism, colors, and history.
- [Country Codes](https://worldstats.org/country-codes): ISO codes, dialing codes, TLDs, and currencies.
- [Currencies](https://worldstats.org/currencies): World currencies with ISO 4217 codes and countries using each.
- [World Clock](https://worldstats.org/time): Live local time in cities worldwide with timezone info.
- [Languages](https://worldstats.org/languages): Alphabets, writing systems, and most spoken languages.
- [Converters](https://worldstats.org/converters): Unit conversion tools for length, weight, temperature, and volume.
- [Calculators](https://worldstats.org/calculators): Wind chill, heat index, percentage, standard deviation, and more.
- [Best Time to Visit](https://worldstats.org/best-time-to-visit): Cities ranked by climate score for every month.
- [Glossary](https://worldstats.org/glossary): Definitions and methodology for all statistical indicators.

## URL Patterns

- `/countries/{slug}` — Country profile (e.g., /countries/france)
- `/countries/{slug}/weather` — Country weather & climate dashboard
- `/countries/{slug}/weather/{month}` — Country weather for a specific month
- `/countries/{slug}/{indicator}` — Country indicator detail (e.g., /countries/france/gdp)
- `/countries/{slug}/population` — Country population trends
- `/countries/{slug}/demographics` — Country demographics
- `/countries/{slug}/cities` — Largest cities in a country
- `/countries/{slug}/electrical` — Electrical outlet info
- `/cities/{slug}` — City profile
- `/cities/{slug}/weather` — City weather & climate dashboard
- `/cities/{slug}/weather/{month}` — City weather for a specific month
- `/cities/{slug}/weather/forecast` — 14-day weather forecast
- `/rankings/{indicator}` — Global ranking by indicator
- `/compare/{countryA}-vs-{countryB}` — Country comparison
- `/compare/cities/{cityA}-vs-{cityB}` — City comparison
- `/indicators/{indicator}` — Indicator overview with regional trends
- `/flags/{slug}` — Country flag detail
- `/time/{slug}` — Timezone and live clock
- `/best-time-to-visit/{slug}` — Best time to visit a city
- `/best-time-to-visit/country/{slug}` — Best time to visit a country
- `/glossary/{slug}` — Glossary term definition

## Data Sources

- World Bank Open Data
- World Health Organization (WHO)
- United Nations (UN)
- Open-Meteo ERA5 climate reanalysis
- GeoNames geographical database
- REST Countries API

## Content Types

Each country profile includes: population, GDP, capital, area, region, 50+ statistical indicators with historical time series, interactive charts, and global rankings.

Each city profile includes: population, current weather, timezone, elevation, monthly climate averages for 2016–2025 (temperature, rainfall, humidity, sunshine, UV index, wind, air quality).

Weather pages include: monthly averages, historical climate data, 14-day forecasts, and best-time-to-visit analysis with comfort scores.