Average Salary In Merton (Before & After Tax) For 2025

The median annual salary in Merton is currently £37,541 and the mean (average) is £53,429 before tax.

The median salary means half of all employees in Merton earn more than £37,541 and half earn less.

The mean (average) salary number of £53,429 is calculated by taking all the salaries in Merton adding them up and then dividing by the total number of jobs (currently 74,000 which is 0.32% of all UK jobs).


 

Over the past 12 months the Merton median salary of £37,541 has increased by 5.90% which places it 18.79% Above the median salary of the UK as a whole.

The mean salary of £53,429 has increased 6.90% during the same time period and now standards at 39.78% Above the mean salary of the UK.

Income (Before Tax) By Decile In Merton

Top 10%: x (and above)
Top 20% x
Top 25% £58,251
Top 30% £52,064
Top 40% £46,878
Bottom 40% £33,397
Bottom 30% £29,191
Bottom 25% £26,199
Bottom 20% £29,191
Bottom 10% £12,824 (and below)

Average Monthly, Weekly & Hourly Pay (Before Tax) In Merton

The median salary of £37,541 works out to:

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  • £3,128.42 per month
  • £721.60 per week
  • £20.23 per hour

The mean salary of £53,429 works out to:

  • £4,452.42 per month
  • £938.40 per week
  • £27.95 per hour

Men vs Women Salary Differences (Before Tax) In Merton

Of the 74,000 jobs in Merton, 34,000 (45.95%) were held by men and 40,000 (54.05%) were held by women.

The median salary for men was £46,142 vs £33,731 for women.

The mean salary for men was £60,232 vs £47,664 for women.

This means men in Merton are paid 36.79% more based on median salaries or 26.37% more based on mean salaries than women.

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(Note this difference does not take into account the type of jobs held by men vs women just raw salary numbers)

Average Take-Home After-Tax Income In Merton

The calculations below look at how much money the most typical worker gets to keep after income tax, employee national insurance and standard 5% employee pension contributions.

Based on Median Salary of £37,541:

  • Salary Subject to Tax: £23,405.95
  • Income Tax Owed: £4,681.19
  • National Insurance: £1,997.68
  • Employee Pension Deduction: £1,565.05

Take-Home Pay: £29,297.08 (78.04% of gross salary)
Total Gross Pension Contributions (Employee + Employer): £2,504.08

Based on Mean Salary of £53,429:

  • Salary Subject to Tax: £38,657.50
  • Income Tax Owed: £7,923.00
  • National Insurance: £3,079.18
  • Employee Pension Deduction: £2,201.50

Take-Home Pay: £40,225.32 (75.29% of gross salary)
Total Gross Pension Contributions (Employee + Employer): £3,522.40

How Expensive Is It To Employ Someone In Merton?

The direct cost to employee someone includes salary, employer national insurance and employer pension contributions (3%).

Based on the median pay in Merton it works out to:

  • Salary: £37,541
  • Employer National Insurance: £4,881.15
  • Employer Pension Contribution: £939.03

Total Cost To An Employer: £43,361.18 per year

Based on the mean pay in Merton it works out to:

  • Salary: £53,429
  • Employer National Insurance: £7,264.35
  • Employer Pension Contribution: £1,320.90

Total Cost To An Employer: £62,014.25 per year

Income Tax And National Insurance Paid By Workers In Merton

Finally, how much income tax and national insurance do people in Merton pay altogether?

The calculations below show the combined totals based only on median and mean salaries. However, the actual number is significantly higher as “The 10% of income taxpayers with the largest incomes contribute over 60% of income tax receipts.”

If all workers in Merton paid income tax and national insurance based on the median salary of £37,541 the combined income tax and national insurance (employer and employee) paid would be £855,441,480.

If all workers in Merton paid income tax and national insurance based on the mean salary of £53,429 the combined income tax and national insurance (employer and employee) paid would be £1,351,723,220.

Merton Tax Calculator

More Salary Data By City

All the data presented here comes from the Office of National Statistics.

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