Table 2.

Changes in fertility and family formation behavior by education level

	Mean age at first birth (years)
	1982	1988	1995	2002	2006–10	2011–15
No high school diploma	20.8	19.6	20.2	19.9	21.6	21.5
High school diploma	21.9	22.4	22.6	23.5	23.3	22.8
Some college	23.3	23.5	24.8	24.9	24.7	24.3
Bachelor’s degree or higher	25.2	27.0	28.6	29.3	30.2	29.6
	Proportion of women married at age 30
	1982	1988	1995	2002	2006–10	2011–15
No high school diploma	0.73	0.73	0.62	0.60	0.56	0.44
High school diploma	0.86	0.76	0.70	0.50	0.58	0.53
Some college	0.86	0.76	0.69	0.72	0.60	0.52
Bachelor’s degree or higher	0.80	0.72	0.62	0.60	0.59	0.54

Data: National Surveys of Family Growth. Weighted means and percentages. Women age 40–44 without missing data on tubal sterilization, education, first birth timing, marital status, or contraceptive use. Sample excludes women with other sterilizing operations (hysterectomy, oophorectomy, and other non-contraceptive sterilizing operations). Mean age at first birth includes only women with children.