The line chart below shows the proportion of local and international student populations at American universities from 2005 to 2018. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The line chart illustrates the proportion of local and international students enrolled at universities in America between 2005 and 2018.

Overall, the percentage of local students consistently decreased over the period, while the proportion of international students showed a steady increase. However, local students always represented the vast majority of the student population.

In 2005, local students accounted for 89% of the total, a figure that gradually fell to 81% by 2018. Conversely, international students made up 11% of the student body in 2005, and this percentage rose steadily to 19% at the end of the period.

Throughout the fourteen-year timeframe, the decline in local student numbers was continuous, dropping by 1-2% every two years. Similarly, the proportion of international students saw a consistent upward trend, increasing by roughly 1% annually, reaching 14% by 2009 and 17% by 2015, before finishing at 19% in 2018.