republic

Seychelles
republic

Sierra Leone
constitutional democracy

Singapore
parliamentary republic

Slovakia
parliamentary democracy

Slovenia
parliamentary republic

Solomon Islands
parliamentary democracy

Somalia
no permanent national government; transitional,
parliamentary federal government

South Africa
republic

Spain
parliamentary monarchy

Sri Lanka
republic

Sudan
Government of National Unity (GNU) - the National Congress
Party (NCP) and Sudan People's Liberation Movement (SPLM) formed a
power-sharing government under the 2005 Comprehensive Peace
Agreement (CPA); the NCP, which came to power by military coup in
1989, is the majority partner; the agreement stipulates national
elections for the 2008 - 2009 timeframe.

Suriname
constitutional democracy

Svalbard
NA

Swaziland
monarchy

Sweden
constitutional monarchy

Switzerland
formally a confederation, but similar in structure to a
federal republic

Syria
republic under an authoritarian, military-dominated regime

Taiwan
multiparty democracy

Tajikistan
republic

Tanzania
republic

Thailand
constitutional monarchy

Togo
republic under transition to multiparty democratic rule

Tokelau
NA

Tonga
constitutional monarchy

Trinidad and Tobago
parliamentary democracy

Tunisia
republic

Turkey
republican parliamentary democracy

Turkmenistan
republic; authoritarian presidential rule, with little
power outside the executive branch

Turks and Caicos Islands
NA

Tuvalu
constitutional monarchy with a parliamentary democracy

Uganda
republic

Ukraine
republic

United Arab Emirates
federation with specified powers delegated to
the UAE federal government and other powers reserved to member
emirates

United Kingdom
constitutional monarchy

United States
Constitution-based federal republic; strong democratic
tradition

Uruguay
constitutional republic

Uzbekistan
republic; authoritarian presidential rule, with little
power outside the executive branch

Vanuatu
parliamentary republic

Venezuela
federal republic

Vietnam
Communist state

Virgin Islands
NA

Wallis and Futuna
NA

Western Sahara
legal status of territory and issue of sovereignty
unresolved; territory contested by Morocco and Polisario Front
(Popular Front for the Liberation of the Saguia el Ham