Translation guide
A country that has signed and is bound by a treaty or international agreement.
Referring to a nation that is a formal party to an international agreement.
Standard term for a signatory nation, used in diplomatic and legal contexts.
この条約の署名国は50カ国以上にのぼる。
The signatory nations to this treaty number over 50 countries.
Emphasizes that the country has ratified or acceded to the treaty, not just signed. Often used interchangeably with 署名国 but technically distinct.
A more descriptive phrase meaning 'country that signed', useful in less formal contexts or when explaining the concept.
その協定に署名した国は、まだ批准していない。
The country that signed the agreement has not yet ratified it.
締約国は条約の規定を遵守する義務がある。
Signatory nations are obligated to comply with the provisions of the treaty.