Sure, here's a comparison between Japan (Country A) and Brazil (Country B):

COUNTRY A: Japan

COUNTRY B: Brazil

Features:

1. Population (2021)

- Japan: 126.3 million

- Brazil: 213.4 million

2. GDP (2020)

- Japan: $4.9 trillion

- Brazil: $1.4 trillion

3. Life expectancy at birth (2021)

- Japan: 84.9 years

- Brazil: 76.1 years

Outcome:

1. Economy

- Japan has a more developed economy with a higher GDP per capita compared to Brazil.

- Brazil has a larger economy in terms of nominal GDP, but its GDP per capita is lower than Japan.

2. Population

- Brazil has a larger population compared to Japan.

- Japan has a declining population due to aging and low birth rates, while Brazil has a growing population.

3. Quality of life

- Japan has a higher life expectancy and better healthcare system compared to Brazil.

- Brazil has higher crime rates and income inequality compared to Japan.

Key Factors:

1. Economy

- Japan has a highly advanced manufacturing and technology sector, while Brazil's economy is largely based on natural resources and agriculture.

2. Culture and Society

- Japan has a strong cultural identity and emphasis on education, while Brazil is known for its diverse culture and social issues such as poverty and violence.

3. Geography and Environment

- Japan is a small island country with limited natural resources, while Brazil is a large country with a rich biodiversity and natural resources. However, Brazil also faces environmental challenges such as deforestation and climate change.