The Roth IRA was established by the Taxpayer Relief Act of 1997 (Public Law 105-34) and named for its chief legislative sponsor, Senator William Roth of Delaware. In 2000, 46.3 million taxpayers held IRA accounts worth a total of $2.6 trillion in value according to the Internal Revenue Service (IRS). Only a little over $77 billion of that amount was held in Roth IRAs. By 2007, the number of IRA owners has jumped to over 50 million taxpayers with $3.3 trillion invested.[4]