What math are you using? By my understanding, women are able to reproduce for around or close to half their lives. First result[1] I found while googling defin

What math are you using? By my understanding, women are able to reproduce for around or close to half their lives. First result[1] I found while googling defines women of reproductive age as 15-49, and claims that group makes up 24% of the overall population, which would line up with my intuition. [1] PDF http://www.who.int/management/UsingDataToImproveServiceDeliveryAnnexes.pdf http://www.who.int/management/UsingDataToImproveServiceDeliv... EDIT: Ah, reread your comment, looks like your math lines up with mine, just misunderstood. Thought you meant 7% of the population were women of reproductive age, not that 7% of the population were women of reproductive age on the pill. Although it also makes me wonder if a sizable percentage of women outside reproductive age are on the pill. Either because they are fertile longer than average, or as treatment for other conditions.