Which country has the highest population density in east asia?

Population density APAC 2018 by country or region. Macao had the highest population density in 2018 with approximately 20.8 thousand people per square kilometer. In comparison, there were approximately 450 inhabitants per square kilometer living in India in that year.

answer; i believe the correct answer is (4) flip a coin as each participant arrives,heads indicates assignment to the first group: tails indicates assignment to the second group;