What does the Senate of Pakistan do, and how are senators elected?
The Senate gives every province the same number of seats, whatever its population. Here is how its 96 members are chosen, what it can do, and where the National Assembly has the final say.
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The Senate is one of the two Houses of Pakistan’s Parliament. Its 96 members are not chosen directly by voters. They are elected by the provincial assemblies and, for Islamabad, by members of the National Assembly, and every province has the same number of seats.
That design gives the Senate a different job from the National Assembly. It represents the federating units rather than population. It shares in making laws, but it cannot choose or remove a prime minister and has only an advisory say on the budget.
Why Pakistan has a Senate
Seats in the National Assembly are distributed by population, which gives the most populous province the most members. The Senate’s website says the main purpose of creating the Senate was to give equal representation to all the federating units and so balance that inequality.
The Senate dates from the 1973 Constitution, which set up a Parliament of two Houses. The constitutions of 1956 and 1962 each provided for a single chamber, according to the Senate’s official history.
Who sits in the Senate
Article 59 of the Constitution fixes the membership at 96.
| Elected from | General | Technocrats and ulema | Women | Non-Muslims | Total |
|---|---|---|---|---|---|
| Balochistan | 14 | 4 | 4 | 1 | 23 |
| Khyber Pakhtunkhwa | 14 | 4 | 4 | 1 | 23 |
| Punjab | 14 | 4 | 4 | 1 | 23 |
| Sindh | 14 | 4 | 4 | 1 | 23 |
| Federal Capital | 2 | 1 | 1 | – | 4 |
| Total | 58 | 17 | 17 | 4 | 96 |
A senator must be at least 30 years old and enrolled as a voter in the province or territory they seek to represent (Article 62).
The size of the House has changed several times. The Senate’s history page records 45 members originally, rising to 63 in 1977, 87 in 1985 and 100 in 2002. The Election Commission’s 2024 annual report adds that four seats for non-Muslims were created by the Eighteenth Amendment in 2010, taking the total to 104, and that the Twenty-fifth Amendment of 2018 reduced it to 96. That amendment removed the seats of the former Federally Administered Tribal Areas, whose sitting senators served out their terms.
How senators are elected
Senators are elected indirectly. The members of each provincial assembly elect that province’s 23 senators. Under section 107 of the Elections Act, 2017, the four senators from the Federal Capital are elected by the members of the National Assembly.
Article 59 requires provincial seats to be filled by proportional representation by means of the single transferable vote. Each voter has one transferable vote for each category of seat (Elections Act, section 122). The aim of a proportional system is that parties win Senate seats broadly in line with their strength in the assembly that is voting.
The poll is by secret ballot. The Election Commission of Pakistan organises the election and publishes the names of the winners (Article 219; Elections Act, section 124). If a seat falls vacant during a term, an election to fill it must be held within 30 days, and the new senator serves only the remainder of that term (Articles 59 and 224).
Six-year terms in a House that is never dissolved
A senator’s term is six years. Half the members retire every three years, so the Senate is renewed in stages and, unlike the National Assembly, is not subject to dissolution (Article 59). The Chairman and Deputy Chairman are elected by the senators for three years at a time (Article 60).
The Twenty-seventh Amendment of 2025 added a fixed end date. A senator’s term now expires on 11 March of the year in which it is completed, whatever the date on which the senator was elected.
That rule matters when an election is late. The Election Commission’s annual report for 2024 says 52 senators retired on 11 March 2024 and 48 seats were to be filled, because the four seats of the former tribal areas had been abolished. Polling day was 2 April 2024. The report says the Commission postponed the poll in Khyber Pakhtunkhwa because members elected to reserved seats in the provincial assembly had not been administered their oaths, which left the electoral college incomplete. The Commission’s website shows the province’s 11 seats were filled at a poll on 21 July 2025.
What the Senate can and cannot do
What it can do
- Make laws. An ordinary bill can start in either House and normally needs both to pass it (Article 70). See how a bill becomes law.
- Block a constitutional amendment. An amendment needs two-thirds of the Senate’s total membership, 64 votes, as well as two-thirds of the National Assembly (Article 239).
- Scrutinise the government. The Cabinet is collectively responsible to the Senate as well as the National Assembly (Article 91), and senators can serve as ministers, up to a limit of one-fourth of the number of federal ministers (Article 92).
- Check ordinances. Either House can pass a resolution disapproving an ordinance that does not deal with money matters (Article 89).
- Take part in choosing and removing the President. Senators are part of the electoral college (Article 41) and vote in the joint sitting that can remove a president (Article 47). The Chairman acts as President when that office is vacant (Article 49).
What it cannot do
- Choose or remove the Prime Minister. Only the National Assembly elects a prime minister (Article 91), and only it can pass a vote of no confidence (Article 95).
- Stop a Money Bill. The Senate has 14 days to make recommendations on the budget and other Money Bills. The National Assembly can pass them with or without those recommendations (Article 73).
- Match the Assembly’s numbers in a joint sitting. When the Houses disagree on an ordinary bill, it can go to a joint sitting, where 96 senators sit with 336 members of the Assembly (Article 70).
This explainer is part of the series Pakistan Politics Explained.
Frequently asked questions
How many senators does each province have?
Twenty-three: 14 on general seats, four technocrats including ulema, four women and one non-Muslim. The Federal Capital has four.
Can the Senate be dissolved?
No. Article 59 says the Senate is not subject to dissolution. It keeps working when the National Assembly is dissolved, and the Constitution uses senators to fill parliamentary seats on some bodies during that period, such as the committee that confirms a Chief Election Commissioner (Article 213).
Who elects the senators for Islamabad?
Members of the National Assembly, under section 107 of the Elections Act, 2017. The Constitution leaves the manner of that election to be prescribed by presidential Order.
When is the next Senate election?
Half the seats come up every three years. The Election Commission’s 2024 annual report gives 11 March 2027 as the date on which the terms of the senators elected in 2021 expire. Article 224 says the election to replace retiring senators cannot be held more than 30 days before their seats fall vacant.
Sources
- Constitution of the Islamic Republic of Pakistan, as amended up to the Twenty-seventh Amendment (Ministry of Law and Justice edition, published by the National Assembly and listed as amended to 21 November 2025): Articles 41, 47, 49, 59 to 62, 70, 73, 89, 91, 92, 95, 213, 219, 224 and 239.
- Senate of Pakistan, “Purpose & Role”.
- Senate of Pakistan, “Composition / Structure”.
- Senate of Pakistan, “History”.
- Election Commission of Pakistan, Election Laws: Elections Act, 2017 (text as modified up to 5 August 2023), sections 107, 122 and 124.
- Election Commission of Pakistan, Senate Elections: notifications and orders for the 2024 election and the July 2025 Khyber Pakhtunkhwa poll.
- Election Commission of Pakistan, Annual Report 2024, chapter 5 (Senate Election 2024).
Sources accessed on 8 October 2026.
