Of the 37.9 million women in the Philippines, 51 percent belonged to the reproductive age group, that is, 15 to 49 years. This was the same proportion (51 percent) as in the 1995 census and slightly higher than in 1990 (50 percent). Detailed distribution by age group revealed that women aged 15 to 19 years comprised 20.6 percent; 20 to 24 years, 18.3 percent; 25 to 29 years, 15.6 percent; 30 to 34 years, 14.2 percent; 35 to 39 years, 12.4 percent; 40 to 44 years, 10.6 percent; and 45 to 49 years, 8.4 percent.