The four pie charts compare how old the population is in Italy and 
Yemen
 in 2000 and gives a prediction of how those could change in 2050. Use synonyms
Overall
, it is possible to see that Linking Words
Yemen
 is a country with very low percentages of the old population, Use synonyms
while
 in Italy there is a big amount of old people.
Linking Words
According to
 the data provided in Linking Words
Use synonyms
Yemen
 the population is divided almost equally between the two Add a comma
,Yemen
Use synonyms
group
 ages: from 0 to 14 Fix the agreement mistake
groups
years
 Use synonyms
with
 50% and from 15 to 49 Change preposition
at
with
 46%. People over 60 Change preposition
at
years
 old are just the 3%. 
Use synonyms
In contrast
, Italy Linking Words
it 
was characterized by a high number of people between 15 to 59 Correct pronoun usage
apply
years
 (61%), followed by +60 with 24%, seven-time more than Use synonyms
Yemen
. Unlike Use synonyms
Yemen
, the Use synonyms
group
 from 0 to 14 are much smaller, just 14%. 
In both countries, predictions for 2050 show an increase in the Use synonyms
group
 Use synonyms
of 
over 60 Change preposition
apply
years
 old. But, if in Use synonyms
Yemen
 it will rise by just 2%, in Italy the percentage will double the one in 2000. 
Use synonyms
Group
 ages between 15 to 59 will grow in Use synonyms
Yemen
 by around 10%, Use synonyms
on the 
Linking Words
contrary
 it will fall in Italy from 61% to 46%. 
Add a comma
,contrary
Finally
, the younger Linking Words
group
 between 0-14 will decline in the two countries. In ,Use synonyms
Yemen
 there will be an abrupt decrease of around 13%, Use synonyms
whereas
 in Italy it will be Linking Words
of 
around 3%.Change preposition
apply