Though a relatively new phenomenon, car ownership in Vietnam is becoming more and more common as the country's middle-class expands. However, as the four-wheeled traffic jams grow, so do concerns over the consequences of many more cars on our roads.

The typical American man needs to work 53 weeks to pay for the basics of middle-class family life, while for a woman who's the sole breadwinner the number is 66 weeks, according to a new study.