The graph illustrates the 
number
 of Use synonyms
children
 in a country Use synonyms
traveling
 to school using different means of transportation in 1990 and 2000. Change the spelling
travelling
Overeall
, the increasing Correct your spelling
Overall
number
 of Use synonyms
children
 went to school by car in 2000 Use synonyms
whereas
 the popularity of other transport declined.  Linking Words
Traveling
 by car was the most common in 2000 Change the spelling
Travelling
although
 walking was the most dominant way in 1990.
Starting from the transportation that Linking Words
children
 used in 1990, walking was by far the most common with more than 12 Use synonyms
million
. Use synonyms
On the other hand
, other methods do not show a significant change; the Linking Words
number
 of users of Use synonyms
buses
 was slightly higher than cycling and walking and Use synonyms
buses
 with just above 6 Use synonyms
million
 and just below 6 Use synonyms
million
 respectively. Use synonyms
In contrast
, cars were the least chosen by Linking Words
children
 from 5 to 12 as there were only approximately 4 Use synonyms
million
 Use synonyms
children
. 
Turning to the graph for 2010, the Use synonyms
number
 of those taken to school by car increased dramatically to reach the highest at about 11 Use synonyms
million
 in spite of it being the least common in 1990. Use synonyms
Conversely
, walking comes Linking Words
the 
second with 6 Correct article usage
apply
million
 Use synonyms
children
, showing the sharpest decrease for the two decades. Use synonyms
Furthermore
, Linking Words
buses
 are less Use synonyms
popluar
 with about 7 Correct your spelling
popular
million
 Use synonyms
children
, followed by walking and Use synonyms
buses
 and cycling with approximately 3 Use synonyms
million
 and 2 Use synonyms
million
 Use synonyms
children
 respectively, making the latter  the least common.Use synonyms