After World War II, we gradually saw an improvement in living conditions in Western Europe, Canada and the United States. After 1970, a large increase in elders made us hope that we could live longer.

When we were little, someone of 60 years was an old “bomma” or “bompa”. Many of us have been past that age for a while and are still seen as young, youthful men or women. Many 60 and 70 year olds are still very active in many areas.

In any case, it will not be easy for the younger generation to achieve a better quality of life than what the current 70 and 80-year-olds could enjoy.

The 20 to 40-year-olds already have to work with two, to keep their standard of living reasonable. For the twenties, it is no longer so easy to build a good standard of living. With two full-time workers, they have become modern slaves. That will certainly have consequences on their age pattern.

Life expectancy or the estimate of the average number of additional years that a person of a given age can expect to live is a hypothetical measure, assuming that the age-specific death rates for the year in question will apply throughout the lifetime of individuals born in that year.

Between 2018 and 2020 average life expectancy at birth in the UK was 79 years for men and 82.9 years for women, according to the ONS. However, since 2011 increases in life expectancy have slowed after decades of steady improvement, prompting much debate about the causes. And there is a fear that, while we are living longer, we’re not necessarily living better – spending many years in poor health, unnecessarily.

And yet, science, and some so-called superagers, are showing us that ageing is not as inevitable as we think.

Experts say the ageing process shouldn’t create big problems until your late 90s; here’s how to keep your body young

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The nine rules to follow if you want to live to 100