Starting July 28, 2026, Peru's Parliament will feature a Chamber of Deputies composed of 130 members, elected through a mixed system of fixed and proportional seats, the
First, the Chamber of Deputies (also called the Lower Chamber) will be composed of a minimum of 130 parliamentarians, according to Resolution No. 0053-2025 of the JNE.
Direct allocation of 28 Seats
Of the total, 28 seats will be assigned through a multiple electoral district system, with one deputy per jurisdiction.
The exception is the district for Peruvians residing abroad, which will have two representatives:
Amazonas (1)
Ancash (1)
Apurimac (1)
Arequipa (1)
Ayacucho (1)
Cajamarca (1)
Callao (1)
Cusco (1)
Huancavelica (1)
Huanuco (1)
Ica (1)
Junin (1)
La Libertad (1)
Lambayeque (1)
Lima Metropolitan Area (1)
Lima Provinces (1)
Peruvians Abroad (2)
Loreto (1)
Madre de Dios (1)
Moquegua (1)
Pasco (1)
Piura (1)
Puno (1)
San Martin (1)
Tacna (1)
Tumbes (1)
Ucayali (1)
Proportional allocation of 102 Seats
Meanwhile, the remaining 102 seats will be distributed proportionally based on the number of voters in each district.
Lima Metropolitan Area will have the largest representation, with a total of 32 deputies.
Likewise, the election will use a double and optional preferential voting system, except in districts with fewer than two representatives, where only a single preferential vote will apply.
It should be noted that this mechanism will not apply to voters residing abroad.
• Amazonas (1)
• Ancash (4)
• Apurimac (1)
• Arequipa (5)
• Ayacucho (2)
• Cajamarca (5)
• Callao (3)
• Cusco (4)
• Huancavelica (1)
• Huanuco (2)
• Ica (3)
• Junin (4)
• La Libertad (6)
• Lambayeque (4)
• Lima Metropolitan Area (32)
• Lima Provinces (3)
• Loreto (3)
• Madre de Dios (1)
• Moquegua (1)
• Pasco (1)
• Piura (6)
• Puno (4)
• San Martin (3)
• Tacna (1)
• Tumbes (1)
• Ucayali (2)
Functions of the Chamber of Deputies
• Approve legislative proposals to be submitted to the Senate, in accordance with its regulations.
• Interpellate and censure ministers.
• Grant or withhold confidence from cabinets.
• Form investigative committees.
• Accuse before the Senate high-ranking state officials, such as: the President of the Republic; senators; deputies; State ministers; Constitutional Court magistrates; National Justice Board members; Supreme Court judges; supreme prosecutors; the Ombudsman; and the Comptroller General, for violations of the Constitution and for any crimes committed in the exercise of their functions, up to five years after leaving office.
• Request reports deemed necessary from State ministers, the National Elections Board, the Comptroller General, the Central Reserve Bank, the Superintendence of Banking, Insurance and Private Pension Fund Administrators (SBS), regional and local governments, and other institutions as specified by law.
• Other functions.
Thus, the JNE has allocated the seats of the Chamber of Deputies for the upcoming 2026 General Elections.