City population yearly timeseries for female and male, and for both sexes, collected by the United Nations Statistics Division and published by UNData.
United Nations Codes for Trade and Transport Locations (UN/LOCODE) and Country Codes
Comprehensive country code information, including ISO 3166 codes, ITU dialing codes, ISO 4217 currency codes, and many others
US Employment and Unemployment rates since 1940 from Bureau of Labor Statistics
List of companies in the S&P 500 together with associated financials
CBOE Volatility Index (VIX) time-series dataset including daily open, close, high and low.
List of all countries in the world with their ISO 2 digit codes (ISO 3166-2) as CSV and JSON
Datapackage for NUTS admin levels 1, 2 and 3 edition 2010