National Audit Office
National Audit Office has submitted data every year since 2017, with all 9 submissions on time.
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Last submission received on Monday, 2 Mar 2026 at 10:59 UTC.
Overall workforce composition
Deviation from a 50:50 gender split, averaged across all four pay quartiles per year. 0% represents an equal split of men and women; positive values mean more women, negative means fewer women.
Hourly pay gap over time
Positive values indicate women's hourly pay is lower than men's by that percentage. A value of 0 indicates equal pay; negative values indicate women earn more.
Pay quartile breakdown
Each band shows the percentage of that quartile that is male vs female.
Lower quartile bottom 25% of earners
Lower-middle quartile 25–50th percentile
Upper-middle quartile 50–75th percentile
Top quartile top 25% of earners
Bonus pay
Percentage of each gender who received a bonus payment.
Bonus pay gap — positive values indicate women's bonus pay is lower than men's.
Year by year
Each year's submission in full. Most recent year shown first.
2025 Mean pay gap 1.3%
Submitted on Monday, 2 Mar 2026 at 10:59 UTC.
In this organisation, women earned 98p for every £1 that men earned when comparing median hourly pay.
Women made up 46.0% of the highest paid quarter and 51.0% of the lowest paid quarter.
Pay quartile breakdown
2024 Mean pay gap 1.7%
Submitted on Tuesday, 18 Feb 2025 at 15:51 UTC.
In this organisation, women and men earned the same median hourly pay.
Women made up 45.0% of the highest paid quarter and 48.0% of the lowest paid quarter.
Pay quartile breakdown
2023 Mean pay gap 4.4%
Submitted on Thursday, 29 Feb 2024 at 08:05 UTC.
In this organisation, women earned 98p for every £1 that men earned when comparing median hourly pay.
Women made up 43.0% of the highest paid quarter and 47.0% of the lowest paid quarter.
Pay quartile breakdown
2022 Mean pay gap 6.4%
Submitted on Thursday, 22 Dec 2022 at 13:37 UTC.
In this organisation, women earned 95p for every £1 that men earned when comparing median hourly pay.
Women made up 42.0% of the highest paid quarter and 48.0% of the lowest paid quarter.
Pay quartile breakdown
2021 Mean pay gap 8.3%
Submitted on Friday, 4 Feb 2022 at 16:36 UTC.
In this organisation, women earned 94p for every £1 that men earned when comparing median hourly pay.
Women made up 40.0% of the highest paid quarter and 48.0% of the lowest paid quarter.
Pay quartile breakdown
2020 Mean pay gap 10.0%
Submitted on Friday, 18 Dec 2020 at 09:01 UTC.
In this organisation, women earned 93p for every £1 that men earned when comparing median hourly pay.
Women made up 38.0% of the highest paid quarter and 46.0% of the lowest paid quarter.
Pay quartile breakdown
2019 Mean pay gap 10.1%
Submitted on Tuesday, 24 Mar 2020 at 12:40 UTC.
In this organisation, women earned 92p for every £1 that men earned when comparing median hourly pay.
Women made up 37.0% of the highest paid quarter and 48.0% of the lowest paid quarter.
Pay quartile breakdown
2018 Mean pay gap 9.9%
Submitted on Wednesday, 20 Mar 2019 at 09:48 UTC.
In this organisation, women earned 89p for every £1 that men earned when comparing median hourly pay.
Women made up 36.1% of the highest paid quarter and 42.9% of the lowest paid quarter.
Pay quartile breakdown
2017 Mean pay gap 10.6%
Submitted on Thursday, 1 Feb 2018 at 12:02 UTC.
In this organisation, women earned 89p for every £1 that men earned when comparing median hourly pay.
Women made up 35.0% of the highest paid quarter and 44.0% of the lowest paid quarter.
Pay quartile breakdown