More than two years into a pandemic which has disproportionately impacted working women, progress toward gender equality in America's boardrooms continues to move ahead, albeit slowly.

The average percentage of women on the boards of America's 1000 largest public companies — the Russell 1000 — increased from 23.8% to 28.2% between 2019 and 2021, new analysis from JUST Capital reveals. It's an important milestone because scientific research has found roughly 25% is the tipping point at which minority groups can sway the majority.