The share of people 25 to 39 years old making annual transfers to investment accounts more than tripled between 2013 and 2023 to 14.4 percent, outpacing increases for those 40 and over, according to data from the JPMorgan Chase Institute. The share of 26-year-olds who transferred funds to investment accounts since turning 22 shot up from 8% in 2015 to 40% as of May 2025. The numbers don’t include people investing in 401(k)s.