| 
  
              | 年度 | 第1号保険者数 | 要介護(支援)認定者数 | 自立度(%) | 対前年変動率(%) | 対2008年変動率(%) |  
              |  | 合計 | 65~75 | 75~ | 合計 | 65~75 | 75~ | 合計 | 65~75 | 75~ | 合計 | 65~75 | 75~ | 合計 | 65~75 | 75~ |  
              | 2008 | 27,582 | 16,218 | 11,364 | 3,648 | 648 | 3,000 | 86.77 | 96.00 | 73.60 | ― | ― | ― | ― | ― | ― |  
              | 2009 | 28,477 | 16,592 | 11,885 | 3,770 | 639 | 3,131 | 86.76 | 96.15 | 73.66 | -0.01 | 0.14 | 0.06 | ― | ― | ― |  
              | 2010 | 29,032 | 16,555 | 12,477 | 4,012 | 651 | 3,361 | 86.18 | 96.07 | 73.06 | -0.58 | -0.08 | -0.59 | ― | ― | ― |  
              | 2011 | 30,193 | 17,179 | 13,014 | 4,235 | 692 | 3,543 | 85.97 | 95.97 | 72.78 | -0.21 | -0.10 | -0.29 | ― | ― | ― |  
              | 2012 | 31,744 | 18,092 | 13,652 | 4,452 | 752 | 3,700 | 85.98 | 95.84 | 72.90 | 0.00 | -0.13 | 0.12 | -0.80 | 0.16 | -0.70 |  |