This IMF database includes time series data for GDP growth, inflation, unemployment, payments balances, exports, imports, external debt, capital flows, commodity prices.
The data collected by the IMF covers 194 countries and areas on national accounts, labour markets, prices, indicators of economic activity, trade and exchange rate. Data starts from 1948 onwards.
A comprehensive database by the World Bank on financial inclusion, which provides in-depth data on how individuals save, borrow, make payments, and manage risks.