Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Board of Governors of the Federal Reserve System
Factors Affecting Reserve Balances - H.4.1
World Bank
Open Data Datasets covering population demographics and a huge number of economic and development indicators from across the world.
IMF Data
The International Monetary Fund publishes data on international finances, debt rates, foreign exchange reserves, commodity prices and investments.