Parliamentary Digital Service
Parliamentary Digital Service has submitted data every year since 2017, with all 9 submissions on time.
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Last submission received on Monday, 30 Mar 2026 at 16:52 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 4.5%
Submitted on Monday, 30 Mar 2026 at 16:52 UTC.
In this organisation, women earned 97p for every £1 that men earned when comparing median hourly pay.
Women made up 37.0% of the highest paid quarter and 43.0% of the lowest paid quarter.
Pay quartile breakdown
2024 Mean pay gap 2.9%
Submitted on Thursday, 3 Apr 2025 at 18:17 UTC.
In this organisation, women earned 97p for every £1 that men earned when comparing median hourly pay.
Women made up 39.7% of the highest paid quarter and 42.7% of the lowest paid quarter.
Pay quartile breakdown
2023 Mean pay gap 2.3%
Submitted on Wednesday, 3 Apr 2024 at 13:19 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 44.0% of the lowest paid quarter.
Pay quartile breakdown
2022 Mean pay gap 5.3%
Submitted on Wednesday, 29 Mar 2023 at 13:03 UTC.
In this organisation, women earned 96p for every £1 that men earned when comparing median hourly pay.
Women made up 37.0% of the highest paid quarter and 45.0% of the lowest paid quarter.
Pay quartile breakdown
2021 Mean pay gap 1.1%
Submitted on Tuesday, 29 Mar 2022 at 10:10 UTC.
In this organisation, women earned £1.01 for every £1 that men earned when comparing median hourly pay.
Women made up 40.0% of the highest paid quarter and 37.0% of the lowest paid quarter.
Pay quartile breakdown
2020 Mean pay gap 0.8%
Submitted on Wednesday, 31 Mar 2021 at 08:59 UTC.
In this organisation, women and men earned the same median hourly pay.
Women made up 38.0% of the highest paid quarter and 39.0% of the lowest paid quarter.
Pay quartile breakdown
2019 Mean pay gap 0.7%
Submitted on Friday, 3 Apr 2020 at 10:48 UTC.
In this organisation, women and men earned the same median hourly pay.
Women made up 42.0% of the highest paid quarter and 33.0% of the lowest paid quarter.
Pay quartile breakdown
2018 Mean pay gap 0.6%
Submitted on Wednesday, 27 Mar 2019 at 11:30 UTC.
In this organisation, women earned 97p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 0.8% higher than men's.
Women made up 38.0% of the highest paid quarter and 37.0% of the lowest paid quarter.
Pay quartile breakdown
2017 Mean pay gap -5.2%
Submitted on Wednesday, 28 Mar 2018 at 16:32 UTC.
In this organisation, women earned £1.04 for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 39.0% lower than men's.
Women made up 41.0% of the highest paid quarter and 27.0% of the lowest paid quarter.
Pay quartile breakdown