IFS - Moving from a Triple to a Double Lock does little to long-run state pension affordability
Yesterday’s Conservative manifesto announced that from 2020 onwards the state pension would be increased over time in line with average earnings or inflation whichever is highest – the so-called ‘Double Lock’.
In this observation we show that this is very similar to sticking with the Triple Lock, and does little to resolve the pressures an ageing population will put on the public finances over the years to come.
The Figure shows projected state pension spending as a share of national income up to 2066–67 (based on the latest Office for Budget Responsibility Fiscal Sustainability Report, and not incorporating the recommendations of the recent Cridland Review) under three uprating rules: average earnings, the double lock and the triple lock. As we have noted before, half of the increase in state pension spending forecast over the next 50 years (0.9% of national income, or nearly £20 billion in today’s terms) is explained by the triple lock, rather than other factors.
As the figure makes clear, moving to a double lock does very little to help. State pension spending in fifty years time is only 0.2% of national income lower (less than £5 billion in today’s terms). In other words, moving to a double lock undoes only around a quarter of the damage done by the triple lock to the long-run sustainability of the public finances. So with the double lock in place spending on the state pension would still be projected to increase by 1.6% of national income (a little over £30 billion in today’s terms) over the next fifty years, with over 40% of this increase being explained by the double lock (relative to increasing in line with average earnings) rather than other factors.
The fundamental reason for this is that it is pretty rare for both average earnings and inflation to be below 2.5%. Hence getting rid of the 2.5% element of the triple lock does little to change the projected long-run generosity of the state pension.
Figure. Projections of state pension spending
The frustrating thing is that it is possible to insure pensioners against the state pension ever falling in real terms without the ‘ratchet’ effect that means both a triple-locked and double-locked state pension would rise faster than earnings or prices over the long run. The answer is the ‘smoothed earnings link’ described here which makes sure the state pension never falls in real terms, and rises in line with earnings growth over the long run.
We will be holding a press event on party manifestos on Tuesday 23 May 2017 at Church House Westminster, 10:00-12:00. To register, please email firstname.lastname@example.org.
IFS Election 2017 analysis is being produced with funding from the Nuffield Foundation as part of its work to ensure public debate in the run-up to the general election is informed by independent and rigorous evidence. For more information, go to http://www.nuffieldfoundation.org.
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