Estonia is a constitutional democracy, with a president elected by its unicameral parliament (elections every five years). The government or the executive branch is formed by the prime minister, nominated by the president, and a total of 14 ministers. The government is appointed by the president after approval by the parliament.

Legislative power lies with the unicameral parliament, the Riigikogu or State Assembly, which consists of 101 seats. Members are elected by popular vote to serve four-year terms. The supreme judiciary court is the National Court or Riigikohus, with 17 justices whose chairman is appointed by the parliament for life on nomination by the president.

Center Party or K [Edgar SAVISAAR, chairman]; Christian People’s Party [Aldo VINKEL]; Coalition Party and Rural Union or KMU [Andrus OOBEL, chairman]; Estonian Democratic Party (formerly Estonian Blue Party) [Jaan LAAS]; Estonian freedom Party [leader NA]; Estonian National Democratic Party or ENDP [leader NA]; Estonian Pensioners and Families Party [Mai TREIAL]; Estonian Progressive Party [Andra VEIDEMANN]; Estonian Republican Party [leader NA]; Estonian Social-Democratic Labor Party [Tiit TOOMSALU]; Estonian Rural People’s Union (1999 merger of Estonian nation People’s Party and the Estonian Rural Union) [Arvo SIRENDI]; Party of Consolidation Today [leader NA]; People’s Party Moderates (1999 merger of People’s Party and Moderates) [Andres TARAND]; Reform Party or RE [Siim KALLAS, chairman]; Russian Party in Estonia [Nikolai MASPANOV]; Russian Unity Party [Igor SEDASHEV]; Union of Pro Patria or Fatherland League (Isamaaliit) [Mart LAAR, chairman]; United People’s Party or UPPE [Viktor ANDREJEV, chairman]