题目内容
The population of the
According to a report, 39 million Americans will be 65 or older by the yew 2010, 51 million by 2020, and 65 million by 2030.
The "graying" of the
The "graying" of the
Title 76. Graying USA_
Numbers of citizens 65 or older | 77. | By 2020 | By 2030 |
39 million | 51 million | 65 million | |
78. Causes/reasons | 79. | ||
Baby boomers’ old growing | |||
80. Effects/Results | 81. | 83. -- multigenerational family | |
82.
| 84. to citizens 65 or older | ||
85. | By 2030 | ||
3.5:1 | 2:1 |
76. graying
79. Citizens’ Longer living 80. Effects/ Results
81. Family unit change 82. Workforce 83. Nuclear family
84. workers 85. In 1989