While the EU, Russia, and Japan are shrinking, the United States is still growing. Part of that growth is coming from immigration and part is coming from a birth rate at near-replacement levels. However, adverse trends in the structure and dynamics of family life mean that the ability of many young Americans to compete effectively in the global economy is being jeopardized. What is behind this trend? What are the implications for the economy and society? What can we do about it? We’ll explain.