Kammala wannan jumla: A ranar 7 ga Mayu, 2014, Niwatthamrong ya zama Firayim Minista mai rikon kwarya bayan cire Firayim Minista Yingluck Shinawatra da wasu mambobin majalisar ministocin ta daga mukamin. A ranar 22 ga Mayu 2014 an cire shi daga mukaminsa bayan wani
juyin mulkin soja.