text: Acronyms, Abbreviations, and Country Codes
  Geographical entity Two-letter code Three-letter code
  Suriname SR SUR
  Svalbard and Jan Mayen Islands SJ SJM
  Swaziland SZ SWZ
  Sweden SE SWE
  Switzerland CH CHE
  Syrian Arab Republic SY SYR
  —T—
  Taiwan, Province of China TW TWN
  Tajikistan TJ TJK
  Tanzania, United Republic of TZ TZA
  Thailand TH THA
  Timor–Leste TL TLS
  Togo TG TGO
  Tokelau TK TKL
  Tonga TO TON
  Trinidad and Tobago TT TTO
  Tunisia TN TUN
  Turkey TR TUR
  Turkmenistan TM TKM
  Turks and Caicos Islands TC TCA
  Tuvalu TV TUV
  —U—
  Uganda UG UGA
  Ukraine UA UKR
  United Arab Emirates AE ARE
  United Kingdom GB GBR
  United States US USA
  United States Minor Outlying Islands UM UMI
  Uruguay UY URY
  Uzbekistan UZ UZB
  —V—
  Vanuatu VU VUT
  Venezuela VE VEN
  Viet Nam VN VNM
  Virgin Islands (British) VG VGB
  Virgin Islands (US) VI VIR
  —W—
  Wallis and Futuna Islands WF WLF
  Western Sahara EH ESH
  —Y—
  Yemen YE YEM
  Yugoslavia, Federal Republic of YU YUG
  —Z—
  Zambia ZM ZMB
  Zimbabwe ZW ZWE