Using taxation statistics, we estimate the income share held by top income groups in Australia over the period 1921-2002. We find that the income share of the richest fell from the 1920s until the mid-1940s, rose briefly in the post-war decade, and then declined until the early-1980s. During the...

Using taxation statistics, we estimate the income share held by top income groups in New Zealand over the period 1921-2002. We find that the income share of the richest fell during the 1930s, rose again after World War II, and steadily declined from the late-1950s until the mid-1980s. From the...