Retirement policy wasn’t on the ballot in last week's midterm elections. But the new political landscape could threaten the retirement security of middle-class households.

With Republicans in full control of Congress, expect efforts to cut Social Security and Medicare benefits. And more Republican-controlled statehouses mean more efforts to curtail state and local workers' pension plans. One positive note: Congress and the White House could find common ground on some promising ideas to encourage retirement saving.

Here are five policy areas to watch that could affect your retirement security.

Social Security

The midterm results boost the odds that Social Security cuts will be in the mix if the brinkmanship over the federal debt ceiling or budget resumes.

Social Security does need reform. Its retirement trust fund will be exhausted in 2034, when revenue from payroll taxes would cover just 77 percent of benefits. Meanwhile, the disability program will be able to pay full benefits only through 2016. If Congress doesn't act, 9 million disabled people will see their benefits cut by 20 percent.

Republicans have advocated higher retirement ages, less generous cost-of-living increases and means-testing of benefits. Some Democrats have fought for expansion of benefits and revenue for the program but haven’t been backed by President Obama or congressional party leaders.

How deeply could benefits be slashed? If previous conservative proposals are any guide, anywhere from 15 percent to 20 percent, with young people taking the biggest hit.