The line chart illustrates the use of railway tracks between four countries from 1980 to 2010.
Overall, The railway tracks length usage by the USA and Russia decreased; whereas length usage by China and India increased. The most railway track length was covered by the USA, and the least length was covered by India.
At the beginning, individuals of the USA used 250000 km, and they were in the first place. The second place belonged to Russia, and 150000 km of railway tracks were covered by people of Russia. Under 50000 km were covered by civilians of India. The least number of track length was recorded by China with approximately 20000 km.
In 2010, the number of railway track length usage by the USA declined smoothly from 250000 km to over 200000 km, but in spite of decline the USA still remained in the first place. The number of length usage by Russia decreased from 150000 to over approximately over 100000 km. Meanwhile, the number of length usage by China increased noticeably and was in the third place with under 100000 km; moreover the most significant increase of China was between 2005 and 2010. Compared to China, in spite of smooth rise between 1980 and 2010, India was in the least place, and the number of railway length usage by India was over 50000 km.
