The graph shows the comparison of birth rates between china and USA from the year 1920 to 2000.
Overall, both countries experienced a considerable fluctuations during the first half century , followed by a general downward trend there after. Notably, china showed a dramatic variation, including a sharp peak in 1950, while USA showed a more steadily decline.
In 1920, the birth rates in both countries are relatively similar, at approximately 10%. Over the past two decades, both countries had developed a fluctuations, with china briefly rising to 15% in the mid 1930s before falling sharply to around 5% by the mid 1940s, while USA somewhat followed a similar pattern but remained more stable.
A significantly divergences occurred in around 1950, china birth rates surged dramatically roughly 20%, reaching the highest point on the graph. In contrast, USA have also experienced an increased, but to only approximately 15% in 1950. After the peak, china decline steeply throughout the decades, dropping to just over 0% before stabilizing slightly towards the year. Meanwhile, USA showed a more steadily decline and ended around 7% in 2000.