Indonesia has undergone a demographic transition since the 1970s that has led to significant changes in the population age structure. Life expectancy increased from 45 years to 67 years. The number of elderly people (60 years and above) rose from about 5 million in 1970 to 18 million in 2010, and is projected to increase to over 80 million by 2050. The economic situation of the elderly is pr…