FRED, from the Federal Reserve Bank of St. Louis, tracks 429,000 US and international time series from 80 sources.
Moody’s Analytics Economic View is a great place to start your research. It includes:
The Conference Board is a not-for-profit research organization that provides US and global economic indicators and analysis and forecasts of regional, national, and international economic conditions. The Conference Board publishes:
For access to the latest data on many of the most important indicators, use one of these collections: