During the 1930s, the number of marriages and the marriage rate dropped steeply due to the Great Depression, but rebounded almost immediately after the Depression ended. Marriage rates increased and remained at high levels in the late 1930 to the mid-1940s. The number of marriages shot up to reach over 2 million in 1946, with a marriage rate of 16.4 per 1,000 people as WWII had ended. The average age at first marriage for both men and women began to fall after WWII, dropping 22.8 for men and 20.3 for women in 1950 and dropping even more to 22.5 and 20.1 years in 1956. In 1959, the United States Census Bureau estimated that 47% of all brides marrying for their first time were teenagers aged 19 and under. In 1955, 51.2% of women were married by their 20th birthday and 88% by their 25th birthday; 40.3% of men and 28.5% of women aged 20–24 in 1955 had never married, down from 77.8% for men and 57.4% for women in 1940.