<prompt> Translate the following text to EnglishKwa kuwa idadi ya watu waliostaafu inatarajiwa kuongezeka baada ya mwaka 2010, uwekezaji katika mtaji mpya ni njia muhimu ya kuongeza uzalishaji wa nguvu za kazi zinazokua polepole.  <response>: With the retired population projected to swell after 2010, investment in new capital is an important way to raise the productivity of the slowly growing labor force. 