Seychelles
based on English common law, French civil law, and
customary law

Sierra Leone
based on English law and customary laws indigenous to
local tribes; has not accepted compulsory ICJ jurisdiction

Singapore
based on English common law; has not accepted compulsory
ICJ jurisdiction

Slovakia
civil law system based on Austro-Hungarian codes; accepts
compulsory ICJ jurisdiction, with reservations; legal code modified
to comply with the obligations of Organization on Security and
Cooperation in Europe (OSCE) and to expunge Marxist-Leninist legal
theory

Slovenia
based on civil law system

Solomon Islands
English common law, which is widely disregarded

Somalia
no national system; Shari'a (Islamic) and secular courts
based on Somali customary law (xeer) are present in some localities;
accepts compulsory ICJ jurisdiction, with reservations

South Africa
based on Roman-Dutch law and English common law

South Georgia and the South Sandwich Islands
the laws of the UK,
where applicable, apply; the senior magistrate from the Falkland
Islands presides over the Magistrates Court

Spain
civil law system, with regional applications; accepts
compulsory ICJ jurisdiction, with reservations