International inequality includes economic, social and political differences between countries around the world. It is measured by inequalities in income, assets and opportunities and provides information on the distribution of wealth within the population. The most commonly used index for measuring inequality is the Gini coefficient, which is defined on the basis of the Lorenz curve. Economic inequality refers to the difference in the distribution of wealth and income in society and depends on factors such as the economic system, wars and the ability of individuals to influence it. In North America, especially in the US, economic inequality is on the rise, and household incomes and wealth have not returned to pre-Great Recession levels in 2009. The gap between the rich and the poor is widening. In addition to economic issues, South America faces low social mobility, lack of access to quality education, labor market irregularities and corruption. In order to reduce inequality, it is necessary to invest in education, implement reforms that promote balance and fairness, and promote social security policies and financial opportunities.