Stuff like this, which asserts that the US gets the better of migration between the two. This summer my son will marry a Canadian from Toronto who came to the USA for graduate school. I wonder whether they might move to be around her family some day....

The analysis estimates that a substantial share of Canadians who would rank among top earners in Canada have emigrated to the United States - roughly 40 percent of potential top 1 percent earners and 30 to 50 percent of the next nine percentiles. Canadian-born individuals in the United States are more educated than native-born Americans, earn substantially more, and cluster disproportionately in top income deciles.

Canada is effectively exporting its inequality to the U.S. The brain drain simultaneously lowers our average income while raising American income, accounting for a significant share of the persistent GDP gap.


https://thehub.ca/2026/03/20/why-canadas-gdp-per-capita-crisis-is-real-deepdive/