The evidence has never been clearer that women’s political, economic, and social participation and leadership are vital to development. Countries where women are fairly represented in government enjoy greater security, higher levels of development, and more inclusive policy-making. The incoming administration should take advantage of this critical moment in history by developing the first-ever National Action Plan on Women’s Equal Participation in Public Service and sign an executive order directing that the plan be implemented. This plan would chart a course to enhance women’s equal role in public service and political participation around the world, and it would transform how the United States approaches its diplomatic and development-based support to women, thus ensuring equal participation in all levels of decision-making.