A bar chart depicting the percentage of the US population that stay on track to reach fitness goals per generation. The data is as follows: Millennials (born between 1981 and 1996) at 89% Generation Z (born between 1997 and 2012) at 87% Baby Boomers (born 1946 and 1964) at 82% Generation X (born 1965 and 1980) at 80%