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 Main Building 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 Annex Printout Counter Music and Audio-Visual Materials Room Exhibition Hall (Entrance is Annex 2F) Coffee shop |
Restroom Accessible restroom |