Current
|
1
|
India
|
Bharatiya Janata Party
|
180,000,000
|
2
|
China
|
Communist Party of China
|
90,000,000
|
3
|
United States
|
Democratic Party
|
45,715,000
|
4
|
United States
|
Republican Party
|
33,284,000
|
5
|
India
|
Indian National Congress
|
20,000,000
|
6
|
Turkey
|
Justice and Development Party
|
19,000,000
|
8
|
India
|
Aam Aadmi Party
|
10,050,000
|
9
|
Pakistan
|
Pakistan Tehreek-e-Insaf
|
10,000,000
|
10
|
Tanzania
|
Chama Cha Mapinduzi
|
8,400,000
|
11
|
Venezuela
|
United Socialist Party of Venezuela
|
6,300,000
|
13
|
Cambodia
|
Cambodian People's Party
|
5,000,000
|
15
|
Vietnam
|
Communist Party of Vietnam
|
4,480,000
|
16
|
North Korea
|
Worker's Party of Korea
|
4,000,000
|
17
|
Argentina
|
Justicialist Party
|
3,533,000
|
20
|
Malaysia
|
United Malays National Organisation
|
3,292,000
|
25
|
Brazil
|
Brazilian Democratic Movement
|
2,163,000
|
26
|
Russia
|
United Russia
|
2,073,000
|
28
|
Argentina
|
Radical Civic Union
|
1,992,000
|
30
|
Brazil
|
Worker's Party
|
1,535,000
|
31
|
Ecuador
|
PAIS Alliance
|
1,500,000
|
32
|
Brazil
|
Brazilian Social Democratic Party
|
1,379,000
|
33
|
Brazil
|
Progressistas
|
1,342,000
|
34
|
Turkey
|
Republican People's Party
|
1,255,000
|
35
|
Syria
|
Arab Socialist Ba'ath Party - Syria Region
|
1,200,000
|
36
|
Brazil
|
Democratic Labour Party
|
1,162,000
|
37
|
Brazil
|
Brazilian Labour Party
|
1,092,000
|
38
|
Taiwan
|
Kuomintang
|
1,090,000
|
39
|
Japan
|
Liberal Democratic Party
|
1,086,000
|
40
|
Brazil
|
Democrats
|
1,025,000
|
|
Former
|
7
|
Soviet Union
|
Communist Party of the Soviet Union
|
10,295,000
|
12
|
Ethiopia
|
Ethiopian People's Revolutionary Democratic Front
|
6,000,000
|
13
|
Iran
|
Rastakhiz Party
|
5,000,000
|
18
|
South Korea
|
Liberty Korea Party
|
3,500,000
|
Polish People's Republic
|
Polish United Worker's Party
|
3,500,000
|
21
|
Iran
|
Muslim People's Republic Party
|
3,000,000
|
22
|
Iran
|
Islamic Republican Party
|
2,500,000
|
Italy
|
Italian Communist Party
|
2,500,000
|
Tunisia
|
Democratic Constitutional Rally
|
2,500,000
|
27
|
Italy
|
Christian Democracy
|
2,000,000
|
29
|
Egypt
|
National Democratic Party
|
1,900,000
|
|