Floor Plan
| Main Building | Main Building Facilities | Annex | Annex Facilities | |
|---|---|---|---|---|
| 6F | Cafeteria Shop |
Restroom | ||
| 5F | (Offices) | |||
| 4F | Map Room Modern Japanese Political History Materials Room |
Restroom | Newspaper Reading Room | Restroom Accessible restroom |
| 3F | Rare Books and Old Materials Room Reading Room 2 Special Purpose Reading Room (Books) Coffee shop |
Pay phone ATM Restroom |
Parliamentary Documents and Official Publications Room | Restroom Accessible restroom |
| 2F | Entrance to Main Building Main Building Entrance Counter General Information Desk Book Counter Main Building Copying Center Printout Counter Microcopy Counter Business, Science and Technology Room Humanities Room Reading Room 1 National Diet Library Gallery |
Lockers Pay phone Restroom Accessible restroom (Ostomy-friendly) |
Entrance to Annex User Registration Counter Annex Entrance Counter General Information Desk Kansai-kan Material Counter Periodicals Counter Reading Room for Persons with Disabilities Annex Reading Room Special Purpose Reading Room (Periodicals) Entrance to Exhibition Hall |
Lockers Restroom Accessible restroom (Ostomy-friendly) |
| 1F | Lost & Found | Annex Copying Center Music and Audio-Visual Materials Room Exhibition Hall (Entrance is Annex 2F) Coffee shop |
Restroom Accessible restroom |