Will resolve according to data from Pew Research Center, when a report is next published using data from 2024 or 2025.
The latest summary, with historical numbers 1995-2023, is here:
The last four data points are:
2019: 27.0%
2020: 26.50%
2021: 30.00%
2022: 30.40%
If Pew Research Center does not publish a report of this statistic with data from 2024 or 2025 by the end of 2025, then a comparable alternative will be found (with advice from the community). If a comparable alternative cannot be found (for instance, if alternatives do not agree with the historical data from Pew), then this question will resolve N/A.
1,000First quarter of 2024: "Analysis of the Russell 3000 shows women hold only 29.7% of board seats, with a minimal 0.3% increase from the previous quarter and 0.8% from the previous year. Only 30.7% of the 587 new board positions are filled by women, the lowest percentage since 2017."