The New Progressive Party held primaries on 18 of the 40 representative districts.

Manila was originally divided into two representative districts from 1907 to 1949.

Both are likely to lose even more ground after more representative electoral districts are drawn later this year.

The province, known as Tayabas until 1949, was divided into two representative districts until 1972.

Articles 11 (formerly 10) and 11-a provide that representative districts are set by statute.

The island is currently divided in forty representative districts.

After 1847, those seats were elected by representative districts.

The province was divided into two representative districts until 1972.

The Popular Democratic Party held primaries on 24 of the 40 representative districts.

The territory was divided into eight council districts and 19 representative districts.