Poverty line (armoedegrens): De hoeveelheid geld die je minimaal nodig hebt. Dit verschilt van land tot land
Purchasing power (koopkracht): How much you can buy in a country for one dollar, or euro
Developing countries (ontwikkelingslanden): These countries are not the rich industrialised countries, but they are generally considered poorer.
Informal sector (informele sector): The unofficial part of the economy, also known as the black market. The incomes in this sector do not end up in government statistics.