The given chart reveals the continuous fluctuation in the birth rates in two big nations which are China and America during the period from 1920 to 2000.
Overall, it can be obviously seen that both countries experienced a remarkable shift during the period with a share in a rise of fertility in the 1950s and a gradual decline in the latter half of the 20th century.
From 1920 to around 1940, the rates of birth in the USA continuously varied between 11% and 13%. After that period, the proportion of giving birth suddenly fall out to under 5% in 1945, followed by an exponential growth to 15% in 1950. Finally, the rate steadily decreased in the period between 1950 and 2000, from 15% to about 7%.
In China, for the first 20 years, the figure fluctuated beween 11% and 13%, then exponentially dropped to 5% in 1940. The rates stablized at 5% until 1945, then rocketed to 20% in the mid of the century. Following the sudden increase is a fall to somewhere in the vincity of 14% in 1955, and the proportion then gradually decreased from that time to the end of the century.
In conclusion, the birth rates in the two nations shares some characteristics in the first half of the given period, however markedly varies in the latter half with the China’s fertility is lower than the America’s one.