5 1
40.6 46.0 2 44.5 53.8 2 NFRJ03 57 90 57 90 28-57 1945
48-57 57 11.7% 2 15.3% 2.7 9.4% 1.6 57 20% 3.8 28.2% 5.4 11%2.1
28-37 12%28-37 2003 2.2% SSM, 2000159-176 28-37 38-47 92 84% 55% 48-57 38-47 91% 83% 75% 28-37 38-47
28-57 531 700 28-57 141 684 1 300
, 200518
28-37 38-47 577 590 390 200 360 413 212 150 NFRJ03 2 2003 589.3 300 300 9
300 2004160 20%
300 100 130 7 300
,2003 20 6300
1 Ezawa,2005
(1) 1997 2003 2005 15 2004 2005 106-116 2004 159-178 Ezawa Aya 2005 Lone Mothers and Welfare-to-work Policies in Japan and the United States: Towards an Alternative Perspective,JSSW 32-4, 41-63 2001 2003 2000 159-176. 2005 17