year,top1_wealth_pct,source
1900,40.0,OECD estimate
1913,45.0,OECD
1929,44.0,OECD
1940,35.0,OECD estimate
1950,28.0,OECD estimate
1960,25.0,OECD estimate
1970,22.0,OECD
1978,22.0,OECD trough
1989,26.6,CBO / Fed DFA
1995,28.0,Fed DFA
2000,30.0,Fed DFA
2007,31.5,Fed DFA
2010,29.0,Fed DFA post-crisis dip
2019,34.0,CBO
2021,32.0,Fed DFA
2025,31.0,Fed DFA Q2