He is a member and Division Chief of Pulai of the United Malays National Organisation (UMNO), a component party of the ruling Barisan Nasional (BN) coalition.

[14] In the 2013 election, he retained his seat, withstanding a challenge from senior Pan-Malaysian Islamic Party (PAS) politician Salahuddin Ayub, a local but Kelantan-based MP who switched back to Johor to seek to unseat Nur Jazlan.

[16] However, he was defeated by Salahuddin Ayub, who then had contested as a member of National Trust Party (AMANAH) and under the Pakatan Harapan (PH) banner in the election, along with other prominent politicians from UMNO.

In July 2015, Public Accounts Committee (PAC) chief Nur Jazlan has come under heavy fire for postponing the hearing into 1MDB scandal from August to October.

[19] On 31 October 2015, Nur Jazlan has called on Arul Kanda Kandasamy and Tony Pua to stop their public debate on 1MDB, to avoid the credibility and integrity of the committee being questioned by any party.