This supplement was launched in conjunction with the launch of the background document for the Nairobi Summit on ICPD25, Sexual and Reproductive Health and Rights: an essential element of universal health coverage.

It presents evidence supporting the need for and cost-effectiveness of interventions defined by the Guttmacher-Lancet Commission which was the basis, while not exhaustive, of the reflection leading to the Background document for the Nairobi Summit on ICPD25.