Usually the expat vote goes for the Right, no matter the country in question. This is because you are more likely to get into the US if you have resources, education, connections, and ties to global business. Those all are usually synonymous with the right, but also Liberals like LREM. For Latin America the combination of Miami being both a destination and being dominated by anti-socialist Cubans only magnifies things. In Round one the US vote was:
Lopez Aliaga - 28.1%
de Soto - 16.7%
Fujimori - 13.4%
Mendoza - 9.8%
Forsyth - 7.8%
Lescano - 7.5%
Others - 16.6% (Including 2.9% for Castillo)
I'm pretty sure that US expats votes overwhelmingly for Biden over Trump and Canadians who live abroad tend to vote Liberal or NDP and NOT Tory. and Israeli expats tend to be more centrist and less rightwing than Israelis in Israel