Older workers’ have become more assured of their ability to retire comfortably has rebounded modestly in the past year, although they are still not as confident as they were before the financial crisis, a survey finds.

But younger workers are growing increasingly worried over their defined benefit (DB) plan, according to the survey by Towers Watson & Company, New York, (NYSE, NASDAQ: TW).

The percentage of older workers (ages 50 to 64) who are very confident about having enough resources to live comfortably five years into retirement rebounded from 44% in March 2009 to 50% this year, Towers Watson found. In 2007, before the financial crisis, 63% of older workers said they were very confident.

The survey also noted the percentage of workers who are very confident they will have enough resources to live comfortably throughout retirement dropped sharply, with only 9% in this year’s survey believing their assets will last through 25 years of retirement, just a slight improvement since last year.

Employees with DB plans were considerably more confident in their retirement resources than those with only a defined contribution (DC) plan, such as a 401(k) plan. The survey found 52% of workers with DB plans are somewhat or very confident of having enough resources to live comfortably 25 years into retirement, compared to only 34% of older workers with DC plans.

The percentage of older workers who are concerned that their employer would reduce the benefits they earn in the future declined from 44% in 2009 to 39% this year, while the percentage concerned their employer would eliminate benefits they earn in the future dropped from 38% to 30%.

Among workers under age 40, however, 68% were concerned their employer would reduce future benefits, an increase from 61% in 2009, while the percentage concerned their employer would eliminate benefits surged from 42% in 2009 to 59% this year.

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