Countries using STV electoral system for national legislature

2 countries are using STV, which belongs to the PR electoral system family, exclusively.

2 countries are using STV exclusively

Country Electoral System for National Legislature Electoral System Family Tiers Legislature Size (Directly elected, voting members) Electoral System for President
Ireland
 STV
 PR
 1
158, 158
 STV
Malta
 STV
 PR
 1
65, 65
 Not applicable

See also: Electoral Systems at the ACE Project