World Fertility and Family Planning Highlights 2020 presents new evidence on trends in contraceptive use and fertility, as well as insights into the relationship between contraceptive use and fertility at the global, regional and national levels for women of reproductive age. Contraception assists couples and individuals to achieve their reproductive goals and provides them with the full opportunity to exercise the right to have children by choice. Additionally, long-term global population trends are driven largely by trends in fertility. It is important to understand the relationship between contraceptive use and fertility, especially in high-fertility contexts, because of the implications for triggering or speeding up the demographic transition, harnessing a demographic dividend, and the return on investment in family planning.