Answer all of the questions for Japan and Nigeria. Please answer all 8 of these questions. Nigeria
1. What age group is the majority of the population in Nigeria in 2020? In Nigeria half the population is aged under 19 years old.
2. Is the rate of population growth in Nigeria slower or faster then that of the United Statss? Why?
3. Is there a large amount of the population over the age of 70 in Nigeria?
4. Based on the shape of the pyramid, what problems may occur in the future?

Japan
1. What percent of the population is over 40?
2. What percent of the population is under 40?
3. How would you describe the population of people in Japan, old or young?
4. Based on the shape of the pyramid, what problems may occur in the future?

1.In Nigeria, half of the population is aged under 19 years. People aged up to four years old made up the largest age group: 8.3 percent of males and eight percent of females were less than four years old.

2.Nigeria has an estimated population of about 206 million, making it the seventh most populous country in the world. ... This is because the country's population continues to grow at a high rate of 2.6%. The global population growth is 1.05% per year.

3.In 2020, population aged 70+ years for Nigeria was 3,042.33 thousand persons. Between 1971 and 2020, population aged 70+ years of Nigeria grew substantially from 845.25 to 3,042.33 thousand persons rising at an increasing annual rate that reached a maximum of 4.56% in 1981 and then decreased to 1.78% in 2020.

4.Over time, the shape of the world population pyramid is expected to shift from Stage 1 (high birth rates, high death rates) to something closer to Stage 4 (low birth rates, low death rates).

5.The younger working-age population, ages 18 to 44, represented 112.8 million persons (36.5 percent). The older working-age population, ages 45 to 64, made up 81.5 million persons (26.4 percent). Finally, the 65 and over population was 40.3 million persons (13.0 percent).

6.50.7 percent

The Brookings study found that people under age 40 made up 50.7 percent of the U.S. population as of July 2019. The percentage represented 166 million people.

7.Japan is aging fast. Its 'super-aged' society is the oldest in the world: 28.7 % of the population are 65 or older, with women forming the majority. The country is also home to a record 80 000 centenarians. By 2036, people aged 65 and over will represent a third of the population.

8.A decrease in the birth rate. The people in their childbearing years would be having fewer children, and therefore, be producing a generation more similar in size to itself.

MARK ME AS BRAINLIEST

the answers for the whole quick check is

1. b

2. b

3. a

4. c

5. b

6. a

7. d

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explanation: