The United States' workforce will grow 20 percent in the next two decades and will remain stable for many decades thereafter. In these countries and others, those dependent upon workers, especially children and the elderly, will continue to grow. Generational conflicts on public policies will erupt, of the type we are already experiencing in the Medicare debate. Threats and opportunities Population growth will create both threats and opportunities. Threats will arise from poverty, the potential inability of agriculture to sustain its productivity growth of recent decades, environmental degradation and availability of water for both agriculture and human health.
Opportunities abound in every sector.
Teenagers are always on the cutting edge of culture, and there will be a lot of them. The phenomenal growth in senior citizens will fuel tourism, leisure activities, financial services and medical care. Asia and Latin America present opportunities in developing their capital goods infrastructure. Every nation will need education at every level. Many people inhabit this globe.