That is false on a international level. What about in totalitarian countries like St. Lucia or North Korea? What about kids born into low-income situations where the oldest bears responsibilities (such as taking care of his brothers and sisters) that divert his/her time away from being successful? What about being born in a poor village in India or Africa where the elite truly rule and will give you no way to rise (check out articles on hierarchy system in Bangladesh and African villages near mi…