Please check my grammatical issues. IELTS Writing Task 1 The line graph illustrates the percentage of aged people in three different countries over a period of 100 years. Overall, the population in Japan, Sweden, and the USA sees the fluctuation from 1940 to 2040. In 2040, Japan stands out as the country of the largest population, while the USA is ranked the third. In 1940, the figure for the USA almost doubled the figure for Japan, with the percentage around 9% and 5% respectively. Aged people in Sweden account for approximately 5%. The proportion of the old in the USA fluctuates between 9% and 15% across a period of 80 years. After 2000, the percentage of old people in Sweden increased to 20%, overtaking the USA’s counterpart in 2018. Japanese old people maintained the same proportion from 1960 to 1988. The figure for the aged in Japan, however, will soar to probably 27% in 2040. In spite of remaining stable from 2000 to 2020, the proportion of old people in the USA is predicted to ascend gradually by around 17% through a period of 10 years. The proportion of elderly people in Sweden is expected to growth to 25% in 2040.