Who draws the district lines?
In countries* that elect substantial shares of their national legislatures from single-member districts
| Country* | Primary delimitation authority | Notes |
|---|---|---|
| Antigua and Barbuda | National commission (with legislative approval) | |
| Australia | Subnational commissions | |
| Bahamas | National commission (with legislative approval) | |
| Barbados | National commission (with legislative approval) | |
| Belize | National legislature (upon recommendation of national election agency) | |
| Bhutan | National commission (alone) | |
| Bolivia | National election agency (alone) | |
| Botswana | National commission (alone) | |
| Canada | Subnational commissions | |
| Dominica | National commission (with legislative approval) | |
| France | Hybrid (executive, legislature, judiciary) | |
| Germany | National commission (with legislative approval) | |
| Ghana | National election agency (alone) | |
| Grenada | National commission (with legislative approval) | |
| Hungary | National legislature (alone) | |
| India | National commission (alone) | No actual redistricting has occurred since early 2000s. |
| Jamaica | National legislature (alone) | |
| Japan | National legislature (alone) | |
| Lesotho | National election agency (alone) | |
| Liberia | National election agency (alone) | |
| Lithuania | National election agency (alone) | |
| Malawi | National election agency (with legislative approval) | |
| Malaysia | National election agency (with legislative approval) | |
| Marshall Islands | Constitution | |
| Mexico | National election agency (alone) | |
| Micronesia, Fed. States | State legislatures | |
| Nepal | National commission (alone) | |
| New Zealand | National commission (alone) | |
| Palau | Coterminous with existing state boundaries | |
| Philippines | National legislature (alone) | The Philippine Congress has not passed a general reapportionment law since 1987, though many individual districts have been created and redrawn ad hoc. |
| Samoa | National legislature (alone) | |
| Seychelles | National legislature (upon recommendation of national election agency) | |
| Solomon Islands | National election agency (with legislative approval) | |
| South Korea | National commission (with legislative approval) | |
| St. Kitts and Nevis | National commission (with legislative approval) | |
| St. Lucia | National commission (with legislative approval) | |
| St. Vincent and the Grenadines | National commission (alone) | |
| Taiwan | National legislature (upon recommendation of national election agency) | |
| Tonga | National commission (alone) | |
| Trinidad and Tobago | National election agency (with legislative approval) | |
| United Kingdom | Subnational commissions | |
| United States | State legislatures | In most U.S. states the legislature has ultimate authority over district boundaries. |
* Includes some fully self-governing territories whose sovereign status is disputed.
PEW RESEARCH CENTER
