Vasectomy use has markedly declined globally, to only 39% of what it was in 2001, even as overall contraceptive use has risen in most countries. Almost all low-and middle-income countries (LMICs) report negligible to zero vasectomy prevalence. In 56 LMICs, no more than 1 in 1,000 women relies on vasectomy. Multiple demand-side and supply-side challenges hinder vasectomy's becoming an available program method. n Only 7 countries, including 3 LMICs, registered increases in vasectomy prevalence between recent surveys. Seven LMICs-Bhutan,