Nigel Marriott's Blog

An independent statistician using data to understand our world and to predict the future

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Pay Gap Trends #9 – Employer Gender Pay Gaps in 2025 – The Numbers

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The deadline for employers to submit their 2025 gender pay gap data has now passed.  So what do the numbers tell us about what happened in 2025?  How have these changed since 2024 and 2017 when employer gender pay gap reporting (GPGR) became mandatory?  Read on to find out the answers and why I have concerns about the government’s plans to make it mandatory for employer to publish action plans to reduce their gender pay gaps.

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Pay Gap Data #9 – Where can I find gender pay gap data for 2025?

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The government requires nearly all employers with a headcount of 250 or more on their snapshot date to submit gender pay gap data.  All data is available to the public and can be found on the government’s gender pay gap website.  I have downloaded this to create a more user friendly and visually informative spreadsheet for you to download and use.

All data shown here is up to date as of 5th March 2026.  The next update is planned for May 2026.

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UK Weather Trends #40 – Winter 2026

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Winter 2026 in the UK was warmer, wetter and darker than normal but not the extent I expected given the unrelenting days without the sun in January.  So for those people in Aberdeen who went 46 days without seeing the sun, it could have been worse!

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UK Weather Trends #39 – Annual Temperatures in 2025

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The year 2025 was both the hottest and 2nd hottest year on record in the UK.  Last year, I used a CUSUM Chart to conclude “if the calendar year average is greater than 9.48 degrees Celsius and the meteorological year average is greater than 9.33 degrees Celsius … (this will) signal an upwards trend change“.  By co-incidence, the average 24-hour temperature across the UK in 2025 was 10.09 degrees Celsius for both the calendar (Jan to Dec) and the meteorological (Dec to Nov) years which is clearly higher than these thresholds.  It’s only taken me four years of writing to conclude a new upward trend in UK temperatures has begun.

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Trophy Winners #4 – The GOATs in World Snooker (Mens) – 1969 to 2025

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Mark Selby has become only the 4th player in Snooker history to win 10 Triple Crowns after prevailing over Judd Trump in the 2025 UK Championship. Only Ronnie O’Sullivan (23), Stephen Hendry (18) & Steve Davis (15) have won more Triple Crown tournaments.  Mark’s GOAThood is already confirmed as I wrote about last year but is he as dominant as the other GOATs (Greatest Of All Time)?

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UK General Elections #10A – The Cursed Ratios of British Politics

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I used to be a commodity trader in the 1990s.  This wasn’t my day job, which was to forecast supply & demand, but I had the statistical skills to develop automated trading strategies for the traders I worked with.  These were either based on moving averages of futures prices (known as technical trading) or buy/sell signals based on the underlying supply & demand picture (known as fundamental trading).  I don’t trade commodities now but I’ve applied the stats skills I learned then to many time series since including those for elections and voting intentions.

Another trading strategy I could have used but didn’t was Chartism.  I vividly remember the training course I did on this and coming away gobsmacked.  How on earth were people being allowed to buy and sell millions using nothing more than astrology, spiritualism, numerology and other superstitions?!  I immediately swore of from Chartism and have managed to stay away from it until this year.  I hope you understand why it’s taken me many months to build up the courage to publish two articles where I use chartist superstitions instead of statistics to interpret long term trends in the vote shares of the major parties in the UK.

For this article, I explain why my charts show the Cursed Ratios of British voters are 52 : 26 : 13 : 6.5.  For my next article, I will have you fearing for my sanity…

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