A report by Oxfam presents the growing gap between the rich and the poor, showing that 62 super rich people own wealth equal to half of the world’s poorest population.
You can download the report here:
https://www.oxfam.org/sites/www.oxfam.org/files/file_attachments/bp210-economy-one-percent-tax-havens-180116-summ-en_0.pdf