The Philippines (born and lived until 3 yrs old)Peru (lived from yrs 3-8)USA (currently living since then)Kenya (lived for 5 months last year)Ecuador (2X)ChileMexicoCanada (a bunch of times)England (2X)WalesVietnam (i think?) been very near the border of: TanzaniaSomalia
Amurica THE LAAAAND OF THE FREEEEEnglandWalesScotlandFranceThe NetherlandsSwitzerlandGermanyItalyBritish Virgin IslandsMexicoIndiaBelgiumIrelandPuerto Rico
A couple of those countries I've only switched trains/planes in though, but a couple of them I have spent weeks or months or even lived in.
I also once looked at Tibet but didn't cross the border for obvious reasons.