That's US wide. Consider the population pyramid for California only https://data.census.gov/profile/California?g=040XX00US06 https://data.census.gov/profile/Ca

That's US wide. Consider the population pyramid for California only https://data.census.gov/profile/California?g=040XX00US06 https://data.census.gov/profile/California?g=040XX00US06 and the buckets for 15-19, 10-14, and 5-9 and consider what that will look like for college enrollment in 5 and 10 years.