it probably also has to do with averages iq as well, the closer the average iq is to 100, the closer you get 50/50 on votes, the lower the average iq of a nation, the higher the rate of voting leftist policies (double whammy because you'll have higher population that needs government welfare and also not enough intelligent population to produce the tax revenues needed to support the system) and the faster the democracy fails

it probably also has to do with averages iq as well, the closer the average iq is to 100, the closer you get 50/50 on votes, the lower the average iq of a nation, the higher the rate of voting leftist policies (double whammy because you'll have higher population that need government welfare and also not enough intelligent population to produce the tax revenues needed to support the system) and the faster the democracy fails