The report completed by The Boston Consulting Group found that the Asia-Pacific region posted a 30.5% growth in private wealth in 2013, as the amount of private wealth held globally reached 152 trillion United States dollars, a 14.6% increase from 2012.
Private wealth growth in other regions included a 17.2% increase in Eastern Europe, a 15.6% rise in North America, which is currently the world's wealthiest region, and a more modest 5.2% growth in Western Europe.
The number of households owning assets amounting to more than 1 million dollars reached 16.3 million in 2013, which is up 19% from 13.7 million households in 2012. The current number of millionaire households represents 1.1% of households globally.
The US continued to have the most millionaires with 7.1 million such households, while the number in China rose to 2.4 million in 2013, which is up from 1.5 million in 2012.
Private wealth creation was slowed down in Japan by a 15% currency fall against the dollar, which led to a decline in the number of millionaire households to 1.2 million from a previous 1.5 million.