) ▁ ▁Foreign ▁Minister ▁José ▁Antonio ▁Me ade ▁( 2 0 1 3 ) ▁ ▁High - level ▁vis its ▁from ▁Singapore ▁to ▁Mexico ▁ ▁Senior ▁Minister ▁Lee ▁K uan ▁Y ew ▁( 1 9 9 1 ) ▁ ▁Prime ▁Minister ▁G oh ▁Ch ok ▁T ong ▁( 1 9 9 7 ) ▁ ▁Foreign ▁Minister ▁K . ▁Sh an m ug am ▁( 2 0 1 4 ) ▁ ▁President ▁Tony ▁Tan ▁( 2 0 1 6 ) ▁ ▁Prime ▁Minister ▁Lee ▁H s ien ▁Lo ong ▁( 2 0 1 9 ) ▁ ▁Bil ater al ▁agre ements ▁ ▁Both ▁nations ▁have ▁signed ▁several ▁bil ater al ▁agre ements , ▁such ▁as ▁an ▁Ag re ement ▁on ▁Air ▁Services ▁( 1 9 9 1 ); ▁Ag re ement ▁on ▁the ▁A void ance ▁of ▁Double - T ax ation ▁and ▁Tax ▁E vas ion ▁( 1 9 9 5 ); ▁Ag re ement ▁on ▁the ▁Prom otion ▁and ▁Re ci pro cal ▁Prote ction ▁of ▁In vest ments ▁( 2 0 1 1 ); ▁Mem or and um ▁of ▁Under standing ▁in ▁Cultural ▁and ▁Art istic ▁Co operation ▁( 2 0 1 3 ); ▁Mem or and um ▁of ▁Under standing ▁of ▁Tour istic ▁Co operation ▁( 2 0 1 3 ); ▁Ag re ement ▁in ▁Edu c ational ▁Co operation ▁( 2 0 1 4 ) ▁and ▁a ▁Mem or and um ▁of ▁Under standing ▁in ▁Agricult ural , ▁Edu c ational ▁and ▁Econom ic ▁Co operation . ▁ ▁Trade