Generally if you are a citizen of a country you are expected to enter and leave on that passport. The UK has recently implemented the system https://www.bbc.c

Generally if you are a citizen of a country you are expected to enter and leave on that passport. The UK has recently implemented the system https://www.bbc.co.uk/news/articles/cx2d9yk2kpjo https://www.bbc.co.uk/news/articles/cx2d9yk2kpjo Canada https://www.canada.ca/en/immigration-refugees-citizenship/services/visit-canada/dual-canadian-citizens-visit-canada.html https://www.canada.ca/en/immigration-refugees-citizenship/se... Australia is just a should https://immi.homeaffairs.gov.au/entering-and-leaving-australia/traveling-as-a-dual-citizen https://immi.homeaffairs.gov.au/entering-and-leaving-austral... NZ requires an endorsement of not travelling on an NZ passport https://www.immigration.govt.nz/process-to-apply/once-you-have-a-visa/manage-your-visa-and-passport/new-zealand-citizens-travelling-on-a-foreign-passport/ https://www.immigration.govt.nz/process-to-apply/once-you-ha...