(Aam Aadmi Party was formally declared a national party by the Election Commission on 10 April 2023. This article from December 2022 has been updated based on this development.)
The Aam Aadmi Party formally became eligible for national party status after its performance in the 2022 Gujarat Assembly elections. Gujarat became the fourth state where AAP can get the status of a state party. It needed to get a vote share of six percent and win two seats to attain become a state party.
It won 5 seats and secured a vote share of 12.92 percent in the Gujarat elections. AAP was already a state party in Punjab, Delhi and Goa and needed one more state to become a national party.
You can read more about the national party criteria here.

