He is a member of the United Malays National Organisation (UMNO), a component party of the BN coalition.
[3] He has been coined as a potential Barisan Nasional candidate of the 2020 Chini by-election,[4] before the party decided to nominate Mohd Sharim Md Zain.
In the Pahang coalition government between BN and Pakatan Harapan after the 2022 election, Nizar was appointed state EXCO member under portfolio of investment, industries, science, technology and innovation.
He is married to Nur Sharmila Shaheen, the daughter of Wanita UMNO exco member Maznah Hamid in 2004, with five children.
[8] On 18 November 2020, Nizar was ordered to pay RM13.16 million in unpaid taxes from 2011 to the Malaysia Inland Revenue Board by the Shah Alam High Court.