Looking at the past 10-20 years, how are the immigration policies of the US or the Biden administration [1] further left than France, Germany or the UK - even under a conservative government post-Brexit? The US does have
jus soli but I don't consider that to be a left wing thing.
1. Biden was promoting - and willing to sign into law - a border bill written by a Republican; it very nearly passed as it initially had bipartisan support before being scuppered by a presidential candidate.