IOP PUBLISHING LIMITED
IOP PUBLISHING LIMITED has submitted data every year since 2017, with all 9 submissions on time.
This company has been viewed 0 times in the last 30 days.
Last submission received on Sunday, 22 Mar 2026 at 19:29 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 9.9%
Submitted on Sunday, 22 Mar 2026 at 19:29 UTC.
In this organisation, women earned 91p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 12.6% lower than men's.
Women made up 56.5% of the highest paid quarter and 68.8% of the lowest paid quarter.
Pay quartile breakdown
2024 Mean pay gap 14.1%
Submitted on Friday, 28 Mar 2025 at 08:35 UTC.
In this organisation, women earned 88p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 19.4% lower than men's.
Women made up 50.0% of the highest paid quarter and 71.8% of the lowest paid quarter.
Pay quartile breakdown
2023 Mean pay gap 15.5%
Submitted on Thursday, 28 Mar 2024 at 10:25 UTC.
In this organisation, women earned 88p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 4.0% lower than men's.
Women made up 42.2% of the highest paid quarter and 70.3% of the lowest paid quarter.
Pay quartile breakdown
2022 Mean pay gap 11.6%
Submitted on Friday, 31 Mar 2023 at 08:09 UTC.
In this organisation, women earned 85p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 21.0% lower than men's.
Women made up 41.0% of the highest paid quarter and 66.0% of the lowest paid quarter.
Pay quartile breakdown
2021 Mean pay gap 12.4%
Submitted on Friday, 1 Apr 2022 at 14:07 UTC.
In this organisation, women earned 82p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 14.0% lower than men's.
Women made up 37.0% of the highest paid quarter and 70.0% of the lowest paid quarter.
Pay quartile breakdown
2020 Mean pay gap 15.9%
Submitted on Wednesday, 21 Apr 2021 at 13:59 UTC.
In this organisation, women earned 83p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 29.0% lower than men's.
Women made up 35.0% of the highest paid quarter and 64.0% of the lowest paid quarter.
Pay quartile breakdown
2019 Mean pay gap 18.9%
Submitted on Monday, 23 Mar 2020 at 14:29 UTC.
In this organisation, women earned 81p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 26.0% lower than men's.
Women made up 33.0% of the highest paid quarter and 64.0% of the lowest paid quarter.
Pay quartile breakdown
2018 Mean pay gap 18.9%
Submitted on Monday, 25 Mar 2019 at 14:06 UTC.
In this organisation, women earned 85p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 29.0% lower than men's.
Women made up 35.0% of the highest paid quarter and 66.0% of the lowest paid quarter.
Pay quartile breakdown
2017 Mean pay gap 23.2%
Submitted on Monday, 19 Feb 2018 at 17:12 UTC.
In this organisation, women earned 86p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 28.0% lower than men's.
Women made up 34.0% of the highest paid quarter and 60.0% of the lowest paid quarter.
Pay quartile breakdown