Legislative size (voting members)

Constitution  (1991, as amended in 2015)

ARTICLE 176. The House of Representatives shall be elected in territorial and special constituencies.

Each department and the Capital District of Bogotá will form part of a territorial constituency. There will be two representatives for each territorial constituency and an additional one for each 365,000 inhabitants or a fraction greater than 182,500 over the first 365,000. The territorial constituency formed by the department of San Andres, Providencia, and Santa Catalina will elect an additional (1) representative for the Raizal community of the said department, according to the law.

For the election of representatives to the House, each department and the Capital District of Bogotá shall constitute a territorial constituency.

The special constituencies will guarantee the participation of ethnic groups and Colombians that reside abroad in the House of Representatives. Through these constituencies, there will be the election of four (4) representatives distributed as follows: two (2) for the constituency of the Afro-descendant communities, one (1) for the constituency of the indigenous communities, and one (1) for the international constituency. In this last constituency, only those votes deposited outside of the national territory by citizens that reside abroad will be counted.

Colombians elect 166 members of the lower house in 2018 elections.