This document provides a summary of key demographic trends and issues related to aging populations both internationally and in the UK. Some of the main points covered include: - Life expectancy is increasing globally and people are living longer, including greater numbers of people over age 85 and 100. - Health issues and care needs tend to increase with age, including higher rates of disability, dementia, and other chronic conditions in older populations. - Social factors like isolation, income, and access to services are also important issues affecting quality of life for older adults. - Maintaining good health, social engagement, learning, and community participation can help offset some challenges of aging.