Number of millionaires exploding while rest of population becomes poorer. - The number of millionaires in the world is due to increase strongly over the coming years - a figure which could even explode, according to forecasts by the consultancy WealthInsight. In the US alone, the number is due to increase by 500,000. At the end of 2013, the number of people holding wealth of a least a million dollars ready to invest rose to 12.5 million - in other words, practically double the number in 2008...