平成19年,国民生活基礎調査,,人 1世帯票 第1巻,第031表 平均有業人員−平均世帯人員−有業率,世帯人員・世帯主の年齢(5歳階級)別 世帯主の年齢階級,総数,1人,2人,3人,4人,5人,6人以上,平均世帯人員,有業率 ,,,,,,,,,(%) ,,,,,,,,, ,,,,,,,,, ,,,,,,,,, 総数,1.32,0.53,0.96,1.67,2.00,2.29,2.85,2.63,50.2  19歳以下,0.23,0.22,0.87,1.02,2.76,-,-,1.02,22.6  20〜24歳,0.78,0.67,1.40,1.31,1.29,1.78,2.68,1.27,61.4  25〜29,1.20,0.90,1.57,1.33,1.40,1.50,2.62,2.01,59.9  30〜34,1.33,0.92,1.56,1.37,1.44,1.60,2.19,2.67,49.9  35〜39,1.38,0.91,1.46,1.39,1.48,1.59,2.10,3.05,45.3  40〜44,1.49,0.89,1.37,1.45,1.64,1.79,2.15,3.29,45.4  45〜49,1.72,0.89,1.38,1.70,1.95,2.17,2.61,3.32,52.0  50〜54,1.92,0.82,1.44,2.00,2.42,2.72,3.06,3.09,62.3  55〜59,1.91,0.76,1.41,2.14,2.73,3.06,3.50,2.80,68.0  60〜64,1.53,0.53,1.14,1.92,2.57,2.98,3.22,2.57,59.6  65〜69,1.09,0.34,0.79,1.59,2.20,2.58,2.88,2.39,45.7  70〜74,0.82,0.17,0.53,1.37,2.08,2.46,2.74,2.32,35.3  75〜79,0.65,0.10,0.37,1.20,1.96,2.42,2.95,2.21,29.2  80歳以上,0.54,0.05,0.30,1.08,1.98,2.55,3.20,2.06,26.1  不詳,0.67,0.31,0.66,1.35,1.43,1.79,2.90,1.89,35.6