An infrastructure is…. …a body of public works, such as roads, sewage systems, schools, hospitals, bridges, etc., that everyone uses.

A developing country] is a very poor nation with a low living standard and, underdeveloped infrastructure (water supplies, roads, schools, etc.)

A developed country is a wealthy country that has a highly developed economy, advanced infrastructure, and high standard of living.

Literacy rate: the % of people who can read and write

A country’s literacy rate directly affects its standard of living.

10 most developed countries https://www.youtube.com/watch?v=nQXeuYXompQ 10 poorest countries https://www.youtube.com/watch?v=Gqane7Qcq6o