This chart ranks the Am Law 200 by their pro bono score for work performed by U.S.-based lawyers. Half of the score comes from the average number of pro bono hours per lawyer in 2020; the other half represents the percentage of lawyers who performed more than 20 hours of pro bono work. Calculations are based on lawyer counts as of Dec. 31, 2020. Seventy-four firms declined to provide complete information about their domestic pro bono work.