This paper offers for the first time income shares of the top 10% and the bottom 40% of the labour force for Argentina, Brazil, Chile, Colombia, Mexico and Venezuela in the period 1900-2011. The main findings are: i) over this period the top 10% share is, on average, 51.3% and the bottom 40% share 13.2%; ii) in the last thirty years the gap between both tails widened (54.6% vs.