THE JAMES HUTTON INSTITUTE
THE JAMES HUTTON INSTITUTE has submitted data every year since 2017. 1 of 9 submissions were filed after the deadline.
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Last submission received on Tuesday, 29 Apr 2025 at 15:18 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 12.9%
Submitted on Tuesday, 29 Apr 2025 at 15:18 UTC.
In this organisation, women earned 91p for every £1 that men earned when comparing median hourly pay.
Women made up 38.0% of the highest paid quarter and 60.0% of the lowest paid quarter.
Pay quartile breakdown
2024 Mean pay gap 12.8%
Submitted on Wednesday, 26 Mar 2025 at 12:41 UTC.
In this organisation, women earned 91p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 92.0% lower than men's.
Women made up 38.0% of the highest paid quarter and 61.0% of the lowest paid quarter.
Pay quartile breakdown
2023 Mean pay gap 15.4%
Submitted on Wednesday, 26 Mar 2025 at 12:42 UTC.
In this organisation, women earned 91p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 50.0% higher than men's.
Women made up 34.0% of the highest paid quarter and 63.0% of the lowest paid quarter.
Pay quartile breakdown
2022 Mean pay gap 14.1%
Submitted on Wednesday, 26 Mar 2025 at 12:42 UTC.
In this organisation, women earned 94p for every £1 that men earned when comparing median hourly pay.
Women made up 32.0% of the highest paid quarter and 56.0% of the lowest paid quarter.
Pay quartile breakdown
2021 Mean pay gap 15.8%
Submitted on Wednesday, 26 Mar 2025 at 12:42 UTC.
In this organisation, women earned 92p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 50.0% lower than men's.
Women made up 36.0% of the highest paid quarter and 64.0% of the lowest paid quarter.
Pay quartile breakdown
2020 Mean pay gap 15.0% Late submission
Submitted on Wednesday, 26 Mar 2025 at 12:43 UTC.
In this organisation, women earned 92p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 100.0% lower than men's.
Women made up 36.0% of the highest paid quarter and 65.0% of the lowest paid quarter.
Pay quartile breakdown
2019 Mean pay gap 15.0%
Submitted on Wednesday, 26 Mar 2025 at 12:43 UTC.
In this organisation, women earned 92p for every £1 that men earned when comparing median hourly pay.
Women made up 32.3% of the highest paid quarter and 61.3% of the lowest paid quarter.
Pay quartile breakdown
2018 Mean pay gap 16.5%
Submitted on Wednesday, 26 Mar 2025 at 12:43 UTC.
In this organisation, women earned 88p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 4.8% lower than men's.
Women made up 32.3% of the highest paid quarter and 64.5% of the lowest paid quarter.
Pay quartile breakdown
2017 Mean pay gap 16.0%
Submitted on Wednesday, 26 Mar 2025 at 12:44 UTC.
In this organisation, women earned 87p for every £1 that men earned when comparing median hourly pay.
Women made up 35.0% of the highest paid quarter and 64.0% of the lowest paid quarter.
Pay quartile breakdown