<p class="MsoNormal">Arab billionaires were also not insulated by from the downturn, with the number of billionaires reduced to 21, down from 24 last year, with three billionaires dropping off the list, one passing away and one making a comeback. Arab billionaires’ total wealth declined 19.4% from a total of $58.7 billion to $47.3 billion, dropping by $11.4 billion—more than the wealth of the two richest people in the Arab world combined.</p>