The graph shows the number of population in three countries that are located in different continents, and each country has different economy situations, relegion, culture and nature from the other countries. These countries has high level of population compared to the other countries in its continent. The graph took shows these countries :United States,Nigeria and Japan’s population during one century, from the year 1950,1975,2000,2025 and an estamate population for the year 2050.
For United States the graph shows the increase of population which record 180,250,310,400 and 430 million in the years 1950,1975,2000,2025 and 2050 respectively.
When Nigeria’s population has increased from 50 million in 1950 to 80 in 1975 and than to 100 million in 2000 to jump to 300 million in 2025 and finally ot will reach 600 million in 2050.
Japan’s population character is completely different from United States and Nigeria and that is what the graph is showing us. The population was 100 million in 1950 and than 120 million in 1975 and 1930 million in 2000 for this period the population ratio became negative which the population is 120 in 2025 and it will be 110 million in 2050.
