word | | Legal system |
| compulsory | Senegal | based on French civil law system; judicial review of legislative acts in Constitutional Court; the Council of State audits the government's accounting office; accepts compulsory ICJ jurisdiction with reservations |
| compulsory | Serbia | based on civil law system; has not accepted compulsory ICJ jurisdiction |
| compulsory | Seychelles | based on English common law, French civil law, and customary law; has not accepted compulsory ICJ jurisdiction |
| compulsory | Sierra Leone | based on English law and customary laws indigenous to local tribes; has not accepted compulsory ICJ jurisdiction |
| compulsory | Singapore | based on English common law; has not accepted compulsory ICJ jurisdiction |
| compulsory | 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 ... |
| compulsory | Slovenia | based on civil law system; has not accepted compulsory ICJ jurisdiction |
| compulsory | Solomon Islands | English common law, which is widely disregarded; has not accepted compulsory ICJ jurisdiction |
| compulsory | Somalia | no national system; a mixture of English common law, Italian law, Islamic Shari'a, and Somali customary law; accepts compulsory ICJ jurisdiction with reservations |
| compulsory | South Africa | based on Roman-Dutch law and English common law; has not accepted compulsory ICJ jurisdiction |
| compulsory | Spain | civil law system, with regional applications; accepts compulsory ICJ jurisdiction with reservations |
| compulsory | Sri Lanka | a highly complex mixture of English common law, Roman-Dutch, Kandyan, and Jaffna Tamil law; has not accepted compulsory ICJ jurisdiction |
| compulsory | Sudan | ... however, the CPA establishes some protections for non-Muslims in Khartoum; some separate religious courts; accepts compulsory ICJ jurisdiction with reservations; the southern legal system is still developing under the CPA following ... |
| compulsory | Suriname | based on Dutch legal system incorporating French penal theory; accepts compulsory ICJ jurisdiction with reservations |
| compulsory | Swaziland | based on South African Roman-Dutch law in statutory courts and Swazi traditional law and custom in traditional courts; accepts compulsory ICJ jurisdiction with reservations |
| compulsory | Sweden | civil law system influenced by customary law; accepts compulsory ICJ jurisdiction with reservations |
| compulsory | Switzerland | civil law system influenced by customary law; judicial review of legislative acts, except with respect to federal decrees of general obligatory character; accepts compulsory ICJ jurisdiction with reservations |
| compulsory | Syria | based on a combination of French and Ottoman civil law; Islamic law is used in the family court system; has not accepted compulsory ICJ jurisdiction |
| compulsory | Taiwan | based on civil law system; has not accepted compulsory ICJ jurisdiction |
| compulsory | Tajikistan | based on civil law system; no judicial review of legislative acts; has not accepted compulsory ICJ jurisdiction |
| compulsory | Tanzania | based on English common law; judicial review of legislative acts limited to matters of interpretation; has not accepted compulsory ICJ jurisdiction |
| compulsory | Thailand | based on civil law system, with influences of common law; has not accepted compulsory ICJ jurisdiction |
| compulsory | Timor-Leste | ... law remains in place but is to be replaced by civil and penal codes based on Portuguese law; these have passed but have not been promulgated; has not accepted compulsory ICJ jurisdiction |
| compulsory | Togo | French-based court system; accepts compulsory ICJ jurisdiction, with reservations |
| compulsory | Tonga | based on English common law; has not accepted compulsory ICJ jurisdiction |