India's Bhartiya Janta Party (BJP) boasts of a whopping 180 million members.
In second place is the Chinese Communist Party with around 98.04 million members.
Another Indian political party on the list, the INC, which has been around since the colonial era, has 50 million members.
The United States' Democratic Party logs in at 4th position with 47.13 million.
US' right-leaning Republican Party follows the Democratic Party with 36.01 members.
All India Anna Dravida Munnetra Kazhagam (AIADMK), a political party in India's south, is in 6th position with 16 million members.
Turkey's Justice and Development Party, officially abbreviated as the AK Parti, has around 11.24 million members.
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