I am doing producing a poster on MEDC and LEDC countries. I know what LEDC and MEDC means. can you please give me some advice as to how I layout and what information would be best to include when comparing two countries such as: Russia (MEDC) and Nicaragua (LEDC)

Answer 1

Some of the usual comparisons are:

per capita income
literacy rate
life expectancy
birth rate
unemployment rate

This site has all of the statistics you'll need.

https://www.cia.gov/library/publications/the-world-factbook/index.html