Pension savers may experience a £12,690 divide in retirement savings depending on where they live.
Fresh analysis has exposed a staggering gap between Britain's wealthiest and poorest regions.
Research from PensionBee examined retirement savings across more than 285,000 customers and uncovered significant geographical disparities. Despite national pension savings climbing nine per cent to reach £21,875, the regional divide remains profound.
The chasm represents a 45 per cent difference between the nation's highest and lowest savers.
Such stark variations in retirement wealth mirror broader economic inequalities across the UK, with implications for millions approaching their later years.
Residents in the South East have accumulated pension pots averaging £27,727, whilst those in Northern Ireland have managed just £15,118.
London comes in second place with average savings of £25,838, followed by the South West at £21,344.
The East Midlands and West Midlands sit in the middle with pots of £19,476 and £19,321 respectively.
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Pensioners are missing out on support | GETTYScotland's average stands at £19,113, showing a nine per cent increase from last year. Meanwhile, the North East has typical savings of £17,957, with Wales at £17,435.
The North West takes second-to-last place with £17,082 in average pension savings. These figures reveal how dramatically retirement savings change depending on your postcode.
It's clear that where you live has a huge impact on how much you'll have when you stop working.
The largest pension pots across the UK revealed - and how your area compares
| GETTYWomen's pension pots have grown by nearly 11 per cent to £16,169, while men's increased by just over nine per cent to £25,652. This means the gender gap has narrowed slightly from 38 per cent to 37 per cent - but it's still a huge divide.
London does much better than the rest of the country, with a gender gap of just 29 per cent. The South East comes second at 38 per cent, matching the national average.
But it's a different story in Wales and Northern Ireland, where women face the biggest disadvantage with gaps of 43 per cent.
These regional variations show that where you live doesn't just affect how much you save - it also impacts how fairly retirement savings are distributed between men and women.
London does much better than the rest of the country
| GETTYLisa Picardo, Chief Business Officer UK at PensionBee, commented: "It's encouraging to see both pot growth and a slight narrowing of the gender gap.
"But progress remains frustratingly slow and the regional disparities are stark. London savers have pots 70 per cent larger than those in Northern Ireland, for example, which reflects broader economic inequalities that follow people into retirement.
"Lowering the Auto-Enrolment age threshold would be a simple yet powerful solution. The magic of compound growth makes early contributions incredibly valuable over longer periods. We cannot allow today's contribution gaps to become tomorrow's retirement poverty."