The state pension is set to rise by £460 to around £11,960 a year next spring under the triple lock, which the new Labour Government has committed to keeping for the whole of this parliament.

That would mean an increase in the current full flat rate from £221.20 to £230.05 a week.

The triple lock pledge means the state pension should increase every year by the highest of inflation, average earnings growth or 2.5 per cent.

How much is the state pension now?

The headline full rate state pension is currently £221.20 per week - it rose £902 a year to around £11,500 from April 2024.

The basic rate is £169.50 a week, which went up £692 a year to around £8,800.

But people on the basic rate also get hefty top-ups, called S2P or Serps, providing those were earned earlier in life.  

Our pensions columnist Steve Webb explains how different elements of the state pension are raised. Graduated and SERPS (the second state pension, for those who earned it in the past) rise by inflation, which was 6.7 per cent last time.

How is the triple lock calculated? 

The key wage growth figure used in the calculation is for total pay including bonuses in the three months to July, and is published in mid-September. 

As it came in at 4 per cent this month, it will almost certainly determine the state pension next spring.

The crunch CPI inflation rate figure is taken from September, and is published in October. The figure for July stood at 2.2 per cent.

What has happened to the triple lock recently? 

In autumn 2022, the inflation rate was 10.1 per cent, which was what the state pension rose by in April 2023 - fulfilling the triple lock pledge.

But the Government sparked fury by scrapping the earnings element from the state pension rise in April 2022, because wage growth was temporarily distorted to more than 8 per cent due to the pandemic.

Instead, pensioners received a meagre 3.1 per cent hike, using the inflation figure from the previous autumn before it started to soar.

The triple lock was introduced by David Cameron's Conservative Government in the 2011/2012 financial year, to ensure pensioners receive a decent rise in income every year. 

The 2.5 per cent element keeps pushing the rate higher even in years when earnings and inflation are flat. The table below shows that it has kicked in four times over the years.

Before the triple lock state pensions were increased in line with price inflation, going back to 1980. This infamously once led to a 75p increase, which caused huge anger against the Labour government in 1999 and the early 2000s.

Since then all Governments and Oppositions have tried to avoid a repeat of this damaging row when announcing plans for state pension increases.

Why is the triple lock controversial? 

Critics point out that maintaining the triple lock is expensive when public finances are in a straitened state, and some question whether the elderly should get a bumper state pension increase when workers are handed below inflation pay deals.

STEVE WEBB ANSWERS YOUR PENSION QUESTIONS

       

Supporters say that unlike with the temporary wage growth spike after the pandemic, pensioners are struggling with the very real challenge of inflation while on a fixed income.

Many depend solely on the stage pension, and have a tough time paying food and energy bills.

The UK also has the lowest state pension among rich countries based on one of the most cited international measures, although that does not tell the whole story because some nations roll their state and workplace schemes into one system.

Aside from the moral case and fairness argument in favour of a full hike, elderly people tend to vote in high numbers.

None of the major political parties want to upset this key voting bloc by denying them a decent state pension increase.

How much does the state pension cost? 

The cost is rolled into other spending on pensioners, including housing benefit, pension credit and winter fuel payments, as well as the state pension.

The Office for Budget Responsibility says this totalled £126.4billion in 2022/23 and would hit £142.1 in 2023/24 and £153.billion in 2024/25.

Will the triple lock survive the next election? 

Pressure on public finances might force a change at some point, perhaps to a double lock system.

However. it is most unlikely either the Tories or Labour would go into an election with a manifesto promise to ditch the triple lock.

That is, unless they decided to 'jump together'. Again, unlikely. Neither will want to forfeit any advantage they can get to appeal to older voters.