What was the percentage increase in employees participating in employer 401-K plans for those aged 25-34 from 2003 to 2012?

The correct choice reflects the recorded data regarding the increase in participation of younger employees in employer 401-K plans over the specified period. Specifically, the statistics show that the percentage of employees aged 25-34 who were enrolled in these retirement plans rose from 58% to 63% between 2003 and 2012. This increase of 5 percentage points translates to a growth rate that falls within the range provided by the correct answer, thus accurately capturing the trend of increasing participation among younger employees in workplace retirement savings plans.

This trend can be attributed to several factors, including greater financial literacy, an increased focus on retirement savings among younger workers, and possibly changes in employer offerings that made participation more attractive or easier. Moreover, the increasing awareness of the importance of retirement planning might have contributed to the rise in enrollment in 401-K plans during this timeframe.