That is quite clear, some of the studies or data available are indeed poor people the most percentage of gambling, most poor people want to be rich quickly without having to work and spend a lot of capital, so the best solution gambling they think of.

Although the facts on the ground are not what they think.
In contrast to the rich, they are busy in their business, even if they gambled indeed to find the pleasure of money is not a big problem for them, they gamble not to be addicted but for pleasure.