Global Inequality:Differences between Countries o Middle-Income Countries GDP of $756-S9,265 per person Most began to industrialize late in the 20th century. Includes 45%of the world's population Only accounts for 18%of the annual output of wealth 55 Global Inequality: Differences between Countries • Middle-Income Countries – GDP of $756 - $9,265 per person – Most began to industrialize late in the 20th century. – Includes 45% of the world’s population – Only accounts for 18% of the annual output of wealth