Interactive: how many years of healthy life can people expect after retirement? The map shows the massive differences in quality of life across the country, with babies born in some areas expecting 15 extra years of good health compared to other areas. The average baby born today in Manchester can expect only 55 years of good health, compared to a baby born in Richmond upon Thames, Surrey, which would have over 70 years of healthy life on average before seeing a deterioration. In many areas of the country, the average person's health is expected to deteriorate well before they reach the current age of retirement (65). Click on the different areas to see how where a child is born affects the quality of their life, and read our story on the new data and the questions it raises about increasing retirement ages.