Statistics
Official statistics of countries and international bodies
Statistics APIs give the official figures of national statistics offices and international bodies such as Eurostat, the OECD, the UN and the World Bank: population, prices, jobs, the economy and development goals. Use them for charts, reports and research; most need no key.
BLS Public Data API
The BLS Public Data API from the US Bureau of Labor Statistics gives time series on prices, employment, wages and productivity, such as the Consumer Price Index or the unemployment rate, for example to adjust amounts for ...
CBS Open Data (Statistics Netherlands)
Statistics Netherlands (CBS) publishes thousands of statistical tables as open data: population, economy, labour, housing, energy, transport, health and much more, often down to municipality and neighbourhood level. The OData API ...
data.europa.eu Search API
The data.europa.eu Search API searches the official portal for European open data, which collects more than a million datasets from the EU institutions and the national portals of European countries, for example to find ...
Eurostat API
The Eurostat API gives the official statistics of the European Union: population, economy, prices, labour, energy, transport and more, per country and region, for example to chart unemployment across EU countries. Ask for a ...
OECD Data API
The OECD Data API gives the statistics of the OECD's member countries, such as GDP growth, inflation, employment, education and environment indicators, for example to compare countries in a report. It is an SDMX REST API: build a ...
ONS API (Office for National Statistics)
The ONS API gives official statistics for the United Kingdom from the Office for National Statistics: datasets on population, the labour market, prices, the economy and well-being, with their editions, versions and observations. ...
Statistics Canada Web Data Service
Statistics Canada's Web Data Service gives Canada's official statistical tables (population, labour, prices, trade, health) with their metadata, series and data points, for example to follow the Canadian consumer price index. ...
UN SDG API
The UN SDG API from the United Nations Statistics Division gives the global database of the Sustainable Development Goals: the goals, targets and indicators, and the data per country and year, for example to track poverty or ...
US Census Data API
The Census Data API from the US Census Bureau gives population, housing, income and business statistics from the decennial census, the American Community Survey and other surveys, down to states, counties and tracts, for example ...
World Bank Indicators API
The World Bank Indicators API gives about 16,000 development indicators for every country, many going back 50 years or more: GDP, population, life expectancy, CO2 emissions, education, poverty and much more. Ask for an indicator ...
Compare the statistics APIs
| Service | API key | Formats | Free use |
|---|---|---|---|
| BLS Public Data API | Not needed | JSON | Free; version 1 needs no registration, version 2 needs a free registration key and allows more series, years and calculations. |
| CBS Open Data (Statistics Netherlands) | Not needed | JSON, XML | Free, no key needed. |
| data.europa.eu Search API | Not needed | JSON | Free, no key needed. |
| Eurostat API | Not needed | JSON | Free, no key needed. |
| OECD Data API | Not needed | JSON, XML, CSV | Free, no key needed; the OECD limits how many queries one user may send per hour. |
| ONS API (Office for National Statistics) | Not needed | JSON | Free, no key needed. |
| Statistics Canada Web Data Service | Not needed | JSON, CSV | Free, no key needed. |
| UN SDG API | Not needed | JSON | Free, no key needed. |
| US Census Data API | Needed, free | JSON | Free with a free API key. |
| World Bank Indicators API | Not needed | JSON, XML | Free, open data, no key needed. |
Questions
Which free statistics APIs work without an API key?
BLS Public Data API, CBS Open Data (Statistics Netherlands), data.europa.eu Search API, Eurostat API, OECD Data API, ONS API (Office for National Statistics), Statistics Canada Web Data Service, UN SDG API and World Bank Indicators API work without a key, according to their documentation. Most keyless services ask you to keep the number of requests reasonable, and some ask for a User-Agent that names your app.
Are these statistics APIs really free?
The services here can be used without paying, at least on a free plan or free tier, often with limits such as a number of requests per day or non-commercial use only. The table above quotes what each service says about its free use; check the provider's own terms before you rely on it.
How up to date is this list?
The address of every service is checked about once a week, and services that stop working or stop being free are removed. This list last changed on November 8th, 2026.