But by 1920, American per-capita GDP exceeded that of the British Isles.
Behold the rate of per-capita cost growth in the OECD from 2004-2010.
The data reflect deaths by suicide for 2007, ranked by per-capita rate.
To be sure, Canada is a rich country, on a per-capita basis, and its population tends to be clustered along the border.
By the early 1980s, the UK's per-capita GDP was lower than that of Italy.