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By Dharshini David

Deputy economics editor

Getting older is something few of us want to think about. Yet how we fund our later years, and how much we'll get, has been a hot topic.

The triple lock formula - state pensions increasing by the greatest of 2.5%, earnings growth, or inflation - means those benefits have risen far faster than the earnings of workers since its introduction in 2011.

But as housing costs have also been rising fast, pensioner poverty has actually increased slightly in the last decade.

Nevertheless, even if you take those costs into consideration, pensioners are less likely to be in relative poverty - that is, having to get by on less than 60% of the income of the typical household - than families with children or working-age people.

And funding the triple lock has already cost the state billions more than initially envisaged.…