Achieving universal access to contraception would save and improve millions of lives, and put societies on a faster track to shared prosperity. The world should be devoting far more attention and resources to this goal, writes Bjørn Lomborg.

Domestic violence, mainly against women and children, kills far more people than wars and is an often overlooked scourge that costs the world economy more than $8trn (€6.2trn) a year, experts said.