Table:
country/region of birth
recent immigrants
established immigrants

2011
2015
change
2011
2015
change

percent
percentage point
percent
percentage point

all
55.7
70.1
14.4
70.7
75.9
5.2

united states, united kingdom, ireland, australia, new zealand
x
x
..
78.9
84.5
5.6

caribbean, central/south america
59.2
73.6
14.4
66.1
72.3
6.2

western/northern europe
x
x
..
79.5
83.7
4.2

southern europe
x
x
..
x
x
..

eastern europe
51.8
66.5
14.7
69.7
70.2
0.5

south asia
63.9
77.1
13.2
75.1
81.8
6.7

southeast asia
53.5
68.9
15.4
66.6
76.2
9.6

east asia
52.2
53.7
1.5
61.2
65.9
4.7

west central asia and middle east
42.6
64.2
21.6
61.2
76.5
15.3

africa
51.4
76.8
25.4
73.5
79.0
5.5

Statement: the voting rate of recent immigrants from africa, increased by 25 percentage points.
Question: what was the voting rate of recent immigrants from africa increased by?
Answer: [25.4]