The percentage of workers participating in Individual Retirement Accounts. An Individual Retirement Account or IRA is a retirement plan account that provides some tax advantages for saving for retirement in the United States. There are a number of different types of IRAs, some being employer provided plans and others usually only being set up by an individual.
U.S. Department of Labor: Retirement Benefits - http://www.dol.gov/ebsa/publications/wyskapr.html
Your employer’s retirement savings plan is an essential part of your future financial security. It is important to understand how your plan works and what benefits you will receive.
USA.gov: Seniors - http://www.usa.gov/Topics/Seniors.shtml
Official information and services from the U.S. government regarding all aspects of seniors' lives.