Rates of teen pregnancy in the US are quite high, in contrast to European countries which have much lower rates, especially those with liberal attitudes toward sexuality. Traditionally, puberty and marriage were simultaneous. Now, the many years spent in education leaves a long time between those life stages. Sex education is not particularly strong. Contraception has allowed the rate of teen pregnancy to decrease steadily in spite of the fact that teen sex is consistently increasing. Non-marital childbearing is high in all industrialized countries.