A list of database (to be updated)
1. OECD iLibrary Statistics https://www.oecd-ilibrary.org/statistics;jsessionid=2i6vmkkrfb9c5.x-oecd-live-02
2. UNU WIDER https://www.wider.unu.edu/data
3. World Development Indicators https://data.worldbank.org/
4. UNdata http://data.un.org/Default.aspx
5. UNCTADstat http://data.un.org/Default.aspx
6. IMF Data Mapper https://www.imf.org/external/datamapper/datasets
7. IMF World Economic Outlook Database https://www.imf.org/en/Publications/SPROLLS/world-economic-outlook-databases#sort=%40imfdate%20descending
8. BIS Statistics https://www.bis.org/statistics/index.htm?m=6%7C37
9. Asian Development Bank https://www.bis.org/statistics/index.htm?m=6%7C37
10. EuroStat https://ec.europa.eu/eurostat/data/database
11. European Central Bank Statistics https://sdw.ecb.europa.eu
12. InterAmerican Development Bank https://data.iadb.org/DataCatalog/Dataset
13. U.S. Federal Reserve https://www.federalreserve.gov/data.htm
14. U.S. Treasury https://home.treasury.gov
15. U.S. Bureau of Economic Analysis https://www.bea.gov/data/economic-accounts/international
16. FRED https://fred.stlouisfed.org/
17. Conference Board https://www.conference-board.org/data/?CFID=29626515&CFTOKEN=646c04e38b784466-65639A54-EA18-059D-A2577038517D6198
18. US Government Data https://data.gov/
19. NationMaster https://www.nationmaster.com/
20. IndexMundi https://www.indexmundi.com/
21. Trading Economics https://tradingeconomics.com/
22. Knoema https://knoema.com/atlas
23. Federal Reserve balance sheets https://www.federalreserve.gov/monetarypolicy/bst_fedsbalancesheet.htm
24. United Nations Human Development Reports http://hdr.undp.org/en
25. World Debt Clocks: https://worlddebtclocks.com/
US Debt clock: https://www.usdebtclock.org/index.html
26. World Government Bonds -CD Swaps http://www.worldgovernmentbonds.com/sovereign-cds/
27. UK House price indices: https://landregistry.data.gov.uk/app/ukhpi
US Treasury data sets https://fiscaldata.treasury.gov/datasets/
28. Silver Institute supply and demand https://www.silverinstitute.org/silver-supply-demand/
29. Measuring worth data sets on everything https://www.measuringworth.com/index.php
30. Federal Reserve Data sets on everything https://www.newyorkfed.org/research/data_indicators
31. Federal Reserve weekly balance sheet https://www.federalreserve.gov/releases/h41/current/h41.htm
32. Penn World Table https://www.rug.nl/ggdc/productivity/pwt
33. Our World in Data https://ourworldindata.org
34. Global Financial Data https://www.globalfinancialdata.com
35. The World Factbook https://www.cia.gov/the-world-factbook
36. Gapminder https://www.gapminder.org
37. World Income Inequality Database (WIID) https://www.wider.unu.edu/database/world-income-inequality-database-wiid4
38. Commodity Futures Trading Commission https://www.cftc.gov/MarketReports/CommitmentsofTraders/index.htm
39. U.S. Bureau of Labor Statistics https://www.bls.gov/bls/api_features.htm
40. Migration Data Portal https://www.migrationdataportal.org
41. Missing Migrants Project by International Organization for Migration (IOM) https://missingmigrants.iom.int/data
42. Our World In Data by Global Change Data Lab https://ourworldindata.org/
43. QoG Data https://www.gu.se/en/quality-government/qog-data/data-downloads/standard-dataset
44. UK Bank Database https://www.bankofengland.co.uk/boeapps/database
45. Bank of Japan https://www.boj.or.jp/en/statistics/index.htm
46. AidData https://www.aiddata.org/datasets
47. Immigration Data https://www.migrationdataportal.org/; from UN: https://www.un.org/development/desa/pd/data/global-migration-database
48. Historical datasets: https://sites.google.com/site/npgpalma/references?authuser=0
Credit: Audrey Wang, Clive Thompson, Pier Paolo Monticone and my own addition/modification