1) HelpAge International works with affiliates and regional offices in 74 countries to advocate for older people globally.
2) They created the Global AgeWatch Index to benchmark countries' well-being of older people and identify data gaps, covering 96 countries.
3) The document discusses trends in population aging, including rising numbers of older people worldwide and increasing proportions living in developing countries. It also outlines challenges older people face, such as disproportionate effects of disasters, and the need for more data on aging populations.