- Commissioner General
- Deputy Commissioner General
- Five departments and ten divisions (to assist Members in carrying out legislative activities in response to the Committees and the Research Commission and Committees of the House)
- Superintendent of Legislation (assigned to work on important legal issues under the direction of the Commissioner General)
- General Affairs Division
- Research Division
Full Number: 75 staff members other than the Commissioner General

1st
Dept.
|
1st
Div.
|
Committee on Fundamental National Policies
Committee on Rules and Administration
Committee on Discipline
Commission on the Constitution
|
2nd
Div.
|
Committee on Cabinet
Committee on Oversight of Administration
Special Committee on Regional Revitalization and Formation of a Digital Society
Special Committee on Consumer Affairs
|
2nd
Dept.
|
1st
Div.
|
Committee on Health, Welfare and Labour
Research Committee on National Life and Economy
|
2nd
Div.
|
Committee on Health, Welfare and Labour
Committee on Economy and Industry
Research Committee on Natural Resources and Energy
|
3rd
Dept.
|
1st
Div.
|
Committee on General Affairs
Special Committee on Political Ethics and Election System
|
2nd
Div.
|
Committee on Agriculture, Forestry and Fisheries
Committee on Environment
Special Committee on Disasters
Special Committee on Reconstruction after the Great East Japan Earthquake
|
4th
Dept.
|
1st
Div.
|
Committee on Financial Affairs
Committee on Budget
Committee on Audit
|
2nd
Div.
|
Committee on Foreign Affairs and Defense
Committee on Land and Transport
Special Committee on Official Development Assistance and Related Matters as well as Okinawa and Northern Problems
Special Committee on North Korean Abduction Issue and Related Matters
Research Committee on International Economy and Foreign Affairs
|
5th
Dept.
|
1st
Div.
|
Committee on Judicial Affairs
|
2nd
Div.
|
Committee on Education, Culture and Science
|