The data above illustrates the total number of people who 
lives
 Change the verb form
live
urban 
in Correct word choice
apply
among 
the six continents, Africa, Asia, Europe, Latin America, North America and Oceania. 
Change preposition
apply
Overall
, the trend of living urban is increasing from the years of 1950, 2007, Linking Words
2050
. Almost all the population will live in Correct word choice
and 2050
city
 by the time 2050, especially in North America, the percentage hit it is peak at 90%. 
From the chart, we can see that Africa and Asia get the lowest percentage in 1950, 15% and 17% respectively, but the number Add an article
the city
a city
rise
 Wrong verb form
rose
significant
 in 2007 (37% and 41%). Change the adjective
significantly
In addition
, their number will up above 50% in 2050. Linking Words
In contrast
, 51% of people in Europe already Linking Words
lives
 Wrong verb form
lived
urban
 in 1950. In sum, Change preposition
in urban
it is clear that
 Linking Words
by
 the years Change preposition
as
goes
 by, people tend to live in Correct subject-verb agreement
go
apartment
 that Fix the agreement mistake
apartments
located
 in the centre of Add a missing verb
are located
city
.Add an article
the city