1. Getting Started
Entrepreneurs ages 55 to 64 launched 21 percent of new U.S. businesses in 2011.
2. Holding Your Own
Sixteen percect of homebuyers nationwide are single women, with a median age of 48.
3. Making the Rules
At 65, Hawaii Democrat Mazie Hirono is the oldest female member of this year's freshman class in the Senate.
4. Hitting the Books
According to the National Center for Education Statistics, about four million people 35 and over will be enrolled at colleges and universities by 2015.
5. Off and Running
Nearly 1,500 women 50 and over ran in the 2012 Boston Marathon—16 percent of all female participants.
Next: Fabulous at every age: 11 looks that never get old