What is the UK State Pension triple lock mechanism?

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What Is the Triple Lock? The triple lock is the government's commitment to increase the State Pension each April by the highest of three measures: 1. The growth in average earnings (measured over a set reference period) 2. CPI inflation (measured in September of the preceding year) 3. 2.5% -- a guaranteed minimum floor The policy has been in place since 2011 and is designed to ensure the State Pension keeps pace with both prices and wages, with a minimum real increase even in low-inflation, low-growth environments. How the Uprating Works in Practice Each autumn the Department for Work and Pensions (DWP) confirms the following April's increase based on the three measures. The September CPI figure and a specific average earnings measure (usually covering May to July) are published by the ONS, and the highest of the three automatically applies. For 2026/27, the full new State Pension rose to GBP 241.30 per week (GBP 12,548 per year), reflecting the triple lock uplift applied from April 2026. New State Pension vs Basic State Pension The triple lock applies to both the new State Pension (for those reaching State Pension age after 6 April 2016) and the basic State Pension (for those who reached pension age before that date). The two amounts differ because the entitlements are calculated differently, but both receive the annual uprating. Political and Fiscal Context The triple lock is politically popular but fiscally expensive, particularly when earnings growth is high. In 2022/23, the government temporarily suspended the earnings element (replacing it with a 'double lock') due to distorted post-pandemic earnings data. The current government has confirmed the triple lock remains in place for the duration of the current Parliament. Impact on Pensioners Because the full new State Pension (GBP 12,548 in 2026/27) is now very close to the personal allowance (GBP 12,570), pensioners with any additional income (private pension, savings interest, rental income) will likely pay some income tax. A pensioner with only the full new State Pension and no other income is just within the personal allowance and currently pays no income tax on it. Qualifying for the Full Amount You need 35 qualifying National Insurance years to receive the full new State Pension. Fewer years give a proportionally reduced amount, down to a minimum of 10 qualifying years to receive any pension at all.

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