[3] When he studied for his master's degree at Florida State, he trained with the varsity team but was not NCAA eligible, so he ran unattached at college track meets.

During a 2017 presidential campaign stop in Niš, Popović called for reducing the value-added tax rates on all domestic production in underdeveloped parts of Serbia.

[9] Without mentioning his name, Popović said that Minister of Finance Dušan Vujović is "an excellent professional", but criticized him on the deadlines given to Serbian MPs on assessing budget proposals.

[11] He suggested that even the termination of the Brussels Agreement should not mean an end to diplomatic relations with the European Union, but that Serbia in that case should still abstain from EU membership.

[12] During a visit in Smederevo during his presidential campaign, Popović told the press that the European Union would try to prevent Chinese investments into the Serbian metallurgical industry.