Age 65 to age 67 by year of birth.
In the United States, while the normal retirement age for Social Security, or Old Age Survivors Insurance (OASI), historically has been age 65 to receive unreduced benefits, it is gradually increasing to age 67. For those turning 65 in 2008, full benefits will be payable beginning at age 66.  DEFINITION of 'Normal Retirement Age-NRA'. The age at which people can receive full benefits upon leaving the work force. In the United States, for example, the normal retirement age for receiving full social security benefits is 67 years of age for persons born in 1960 or later. Birth years prior to 1960 have various normal retirement age requirements.  Social Security's full-benefit retirement age is increasing gradually because of legislation passed by Congress in 1983. Traditionally, the full benefit age was 65, and early retirement benefits were first available at age 62, with a permanent reduction to 80 percent of the full benefit amount.  The month you will reach your NRA is. The normal retirement age (NRA) is the age at which retirement benefits (before rounding) are equal to the  primary insurance amount .. The table below shows how NRA varies by year of birth for retirees. Office of the Chief Actuary. Retirement before Normal Retirement Age (NRA) reduces benefits, and retirement after NRA increases benefits. NRA, also referred to as Full Retirement Age, varies from age 65 to age 67 by year of birth. If you retire sometime between your full retirement age and age 70, you typically get a credit. For example, say you were born in 1944 and your full retirement age is 66. If you intend to take your benefits at age 68, you can get a credit of 8% per year multiplied by two (the number of years you waited). The age at which you can start receiving full Social Security retirement benefits is a moving target and depends on the year you were born (see table below). You can elect to take benefits early at age 62 (earlier only if you are a survivor or on disability), or wait as late as age 70. If you start more than 36 months before your full retirement age, the benefit is further reduced by five-twelfths of 1% per month. For example, if your full retirement age is 66 and you elect to start benefits at age 62, the reduced benefit calculation is based on 48 months. This means that the reduction for the first 36 months is 20% (five-ninths of 1% times 36) and 5% (five-twelfths of 1% times 12) for the remaining 12 months. The age at which you can start receiving full Social Security retirement benefits is a moving target and depends on the year you were born (see table below). You can elect to take benefits early at age 62 (earlier only if you are a survivor or on disability), or wait as late as age 70. A 2014 Gallup poll found that the average retirement age is 62. This age is notably lower than the normal retirement age, which depends on a person’s birth year. For people born before 1960, the normal retirement age varies between 65 and 67. For those born after 1960, the normal retirement age is 67.  Your normal retirement age is a critical component of retirement planning because your Social Security retirement benefit is based on just two components: 1  Your earnings history. 2  The age at which you collect your retirement benefit compared to your normal retirement age. It’s important to understand you normal retirement age. Here’s a list of possible years you were born followed by your normal retirement age according to the Social Security Administration. 1  1937 or earlier: 65. 2  1938: 65 and 2 months. Early retirement is age 62, as defined by the Social Security Administration. Normal, or full, retirement age varies, depending on your date of birth. For those born in 1960 or later, full retirement age is 70. If you were to retire early, your Social Security benefit would be cut by 30 percent, and your spouse's benefit would fall by 35 percent. 
https://en.wikipedia.org/wiki/Retirement http://www.investopedia.com/terms/n/normal-retirement-age-nra.asp https://www.nasi.org/learn/socialsecurity/retirement-age http://www.ssa.gov/OACT/ProgData/nra.html http://www.schwab.com/public/schwab/nn/articles/When-Should-You-Take-Social-Security http://www.schwab.com/public/schwab/nn/articles/When-Should-You-Take-Social-Security http://www.ehow.com/info_7770013_normal-retirement-age.html http://retireplan.about.com/od/socialsecurity/a/normal-ret-age.htm http://finance.zacks.com/normal-retirement-age-8410.html
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