Find the evidence, shape development.
Evidence4Dev brings research, datasets, development projects and indicators into one open discovery infrastructure, starting with Africa and the Global South.
- Indicators
- 140
- Observations
- 149,381
- Countries
- 54
- Years
- 1950–2025
- Licence
- CC BY 4.0
World Bank World Development Indicators and Our World in Data, refreshed as each source updates. Every series keeps its source, its licence and the years it actually covers.
Start with the data
Three ways in.
The catalogue is live and small enough to read. Pick the axis you think in: an indicator, a country, or a topic.
By indicator
140
Every series we hold
Country-year data from the World Bank and Our World in Data, from growth and debt to health, education, poverty and the environment.
Health 33 · Environment 27 · Economic Policy & Debt 22
Browse the collectionsBy country
54
Every country we cover
Each country read from the other direction: its indicators, its coverage, and the years it actually reports.
Open a country, then compare up to six on one chart.
Open a countryBy topic
11
Every subject area
Health, environment, poverty, infrastructure and the rest, with a count beside each topic.
Health · Environment · Economic Policy & Debt
Choose a collectionA figure from the catalogue
Life expectancy at birth
Every country reports it, and the series goes back to 2000. This is the average across the countries reporting in each year.
65.7
years in 2024, across 54 countries
- African average (unweighted)
Unweighted average of the countries reporting in each year. Source: World Bank WDI, CC BY 4.0.
Explore this indicatorWhat comes next
More sources, one catalogue.
The World Bank and Our World in Data are loaded and citable. These producers are next, in the order we can clean and licence them. Nothing appears here until it is real.
World Bank WDI
Live128 indicators for 54 African countries, 2000 to 2024.
Our World in Data
Live12 harmonised series on health, poverty, schooling, infrastructure, energy and women in work, 1950 to 2025.
IMF
In preparationInternational Financial Statistics and World Economic Outlook.
OECD
In preparationDevelopment assistance and social spending.
BIS
In preparationCross-border credit and exchange-rate statistics.
Afrobarometer
In preparationSurvey rounds on governance and public opinion.
Ghana GSS
In preparationLiving Standards Survey (GLSS), GSPS and DHS rounds.
Harvard Dataverse
In preparationAfrican survey and panel microdata, including GSPS.
Survey microdata is licensed per study, so those collections will point to the producer's terms rather than republishing the files.
Get involved
Contribute data or research.
E4D is an open project. Researchers, institutions and organisations can contribute research, datasets, project information and feedback.
- /01Deposit researchAdd papers, reports and evaluations with their sources.
- /02Document datasetsDescribe data, licences and access conditions.
- /03Add project recordsConnect development programmes to the evidence about them.
- /04Review metadataCheck links, sources and descriptions as a human editor.
- /05Partner with E4DBring an institutional collection into the commons.
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Early access opens in stages. Contributors are onboarded first.