10 The world is aging. The demographic future for the . and the world looks very different than the recent past. Growth from 1950 to 2010 was rapid — the global population nearly tripled, and the . population doubled. However, population growth from 2010 to 2050 is projected to be significantly slower and is expected to tilt strongly to the oldest age groups , both globally and in the . Public opinion on whether the growing number of older people is a problem varies dramatically around the world . Concern is highest in East Asia where large majorities describe aging as a major problem for their countries.