Key Statistics – Japan
- e-Stat Portal Site of Official Statistics of Japan
- BOJ Time-Series Data Search (Bank of Japan)
Key Statistics – World
- FAOSTAT （FAO）
- Data and Statistics （IMF）
- United Nations Statistics Division （UN）
- UNCTADSTAT （UNCTAD）
- International trade and tariff data （WTO）
- US Census Bureau Home Page (United States Census Bureau)
Key Digital Archives
- UTokyo Digital Archive Portal
- Japan Center for Asia Historical Records
- NDL Search (National Diet Library)
- NDL Digital Collections (National Diet Library)
- Google books
- Google scholar
- Internet Archive
