Social Security trust funds that about 67 million Americans rely on for benefits are scheduled to be depleted in 2034, one year earlier than was projected last year, according to the annual trustees' report released by the Treasury Department on Friday. More from Personal Finance:How to prioritize retirement and emergency savingsRoth IRAs don't require withdrawals — unless they're inheritedNew tool lets you play at fixing Social Security woesThe new estimates prompted renewed calls for fixes to the programs, which Treasury Secretary Janet Yellen referred to as "bedrock programs that older Americans rely upon for their retirement security. Global Business and Financial News, Stock Quotes, and Market Data and Analysis