United States of America

Senate

Political system
Presidential system
Structure of parliament
Bicameral
IPU membership
No

About parliament

Basic information such as the official name of parliament and details of its structure and leadership. Also includes the current breakdown of MPs by sex and age, and provisions for quotas and reserved seats.

Parliament name
Congress
Chamber name
Senate
Structure & status of parliament
Upper chamber
Parliamentary term (years)
6

Notes: Parliamentary term: 6 years; one-third of the membership is renewed every 2 years

IPU membership

Affiliation periods
from 1889 to 2003
IPU Geopolitical Group/s
No information available

Speaker

Official title
President of the Senate
Speaker
Kamala D. Harris (Female)
Date of birth: 20 Oct 1964
Term
20 Jan 2021
Additional information

Vice President

Official title
President pro tempore of the Senate
Speaker
Patty Murray (Female)
Date of birth: 11 Oct 1950
Term
03 Jan 2023
Additional information

Elected on 3 Jan. 2023.

Speaker terms

Click for historical data

Secretary general

Official title
Secretary of the Senate
Secretary General
Sonceria Ann Berry (Female)
Term
01 Mar 2021
Notes

Sworn in on 1 March 2021.

Members

Statutory number of members
100
Principal mode of designation of members
Directly elected
Directly elected members
100
Current number of members
100
Men
75
Women
25
Percentage of women
25.0%
Statutory number of members per country 
535
Population (in thousands)
336,998
Inhabitants per parliamentarian
629,903

Age

Data on the age of parliamentarians is collected at the start of the legislature, following the most recent elections. This data is not updated during the legislature, except when parliament notifies the IPU of a change in the youngest or oldest member.

Average age of all members
64.0
(2023-01)
Youngest member
Jon Ossoff (Male)
Youngest member (years)
35
Oldest member
Chuck Grassley (Male)
Oldest member (years)
90
Number of members, by age (2023-01)
Breakdown of members by age and gender
18 - 20 21 - 30 31 - 40 41 - 45 46 - 50 51 - 60 61 - 70 71 - 80 81 - 90 91 and over Totals per gender
Male 0 0 2 3 7 16 26 19 2 0 75
Female 0 0 1 0 1 5 11 6 1 0 25
Totals per age interval 0 0 3 3 8 21 37 25 3 0 100
Total <= 45: 6 Total >= 46: 94
Percentage of members, by age
Age at the last election or renewal Overall Male Female
Percentage of MPs 30 years of age or younger
0.0% 0.0% 0.0%
Percentage of MPs 40 years of age or younger
3.0% 2% 1.0%
Percentage of MPs 45 years of age or younger
6.0% 5% 1.0%

Reserved seats and quotas

There are reserved seats in parliament for certain groups
No
Electoral quota for women
No
Youth quota
No

Links to additional information

Parliamentary website
List of members
Rules of procedure/Standing Orders
Constitution

Historical data for IPU membership

Historical data for IPU membership
Year IPU membership
2020-09
List of values for 2020-09
No
2019-04
List of values for 2019-04
No
2018-06
List of values for 2018-06
No