<prompt> Translate the following text to EnglishKwa kuongezea, wafanyakazi wengi hawajui kwamba umri wa kustaafu kwa faida kamili za Usalama wa Jamii unazidi kuongezeka hatua kwa hatua kutoka umri wa miaka 65 hadi 67.  <response>: In addition, many workers are unaware that the retirement age for full Social Security benefits is gradually rising from age 65 to 67. 