The given bar chart depicts the number of trips made by children aged between 5 and 12 in one country in 1990 and 2010 to travel to and from school using different modes of transportation.
Firstly, we can observe that there are five main modes of transport used in both years, car, walking, cycling, children that prefer both walking and bus, and only bus as primary transport. Now, looking at the number of trips made by children using cars in 2010 which is around 11 million, stands as the highest number of trips made or the most-used mode of transport in that year. The least-used mode of transport in 2010 was cycling with only 2 million trips made.
Secondly, analyzing the trips made by children in the year 1990, we can see that the highest number of trips made by children to and from school is by walking with around 13 million trips that year. Now, the least-used mode of transport in 1990 is the car with only around 5 million trips made.
In conclusion, we can say that the highest and least used modes of transport are completely the opposite when we compare both years.