http://en.wikipedia.org/wiki/Generation
Generation Table
Please note that these years that have been noted are quite vague and may
differ slightly (in some cases quite substantially) from country to country.
This table corresponds with the table given by Strauss and Howe.
G.I. (1901-1924) Silent (1925-1942) Boomers (1943-1960)
Generation X (1961-1981) Millenial (1982-2001) The New Silent
Generation (2001-)
对照于米国的世代划分，很感兴趣新中国的世代，不知这方面有无研究著作？
从我个人的认识角度，大致划分一哈：
1949-1957，“站起来”的一
