World Economics has combined data for the 3 countries that represent the USMCA. Overall these countries account for 16% of Global GDP in 2023, and 11% of global GDP growth in the past 10 years (2012-2022).
The US, Mexico and Canada are home to over 0.5 billion people with an average life expectancy of 77 years and a current median age of 36 against a global average of 30.