[2] In 2005, he started his political career as the deputy head of the economy and budget planning department of the city of Aktobe, which he held until 2006.

[1] From July 2010 to November 2011, Jumanğarin was the deputy chairman and first deputy of the board of JSC "NadLoc National Agency for the Development of Local Coverage", and from March to July 2012 he served as the director of the Department of Regional Policy and Interbudgetary Relations of the Ministry of Economic Development and Trade.

[2] On December 20, 2019, he was appointed Minister of Competition and Antimonopoly Regulation at the Eurasian Economic Commission, a position he held until August 14, 2020.

[8] In 2016, the "Bäse" YouTube channel headed by Aidos Sadykov accused Jumanğarin, who was the head of the Committee for Regulation of Natural Monopolies and Protection of Competition at the Ministry of National Economy at the time, of taking 10 apartments as a bribe and registering nine of them as the property of his wife.

[7] Despite including the Taliban in the list of terrorist organizations and not officially recognizing their government, Kazakhstan and its Ministry of Trade and Integration held an Afghan-Kazakh business forum in Astana on August 3, 2023.

[11] When addressing the locust problem that Kazakh agrarians and farmers were facing, Serik Jumanğarin went on to note that the parasite could be consumed and was considered halal to eat.

[12] When asked about the controversial comment, Jumanğarin replied, that it was said so that "[the mass media] could have some fun" in the "quite intense social and political life" of the country, also claiming that he never intended to actually propose that the populace eat locusts.