According to the Society of Human Resource Management’s (SHRM) 2019 report, 68% of employers offer FSAs. source
A study commissioned by Alegeus surveyed 1,400 adults and found that two-thirds of those interviewed with FSAs did not fully understand all of the benefits and stipulations. source
A 2015 SHRMstudy found that 46% of companies that offer FSAs allow a rollover of $500 from one year to the next. 37% offer a grace period until March 15 to use the money (employers can’t offer both the rollover and the grace period). source