He has represented Wotho Atoll in the Legislature of the Marshall Islands since 2008 and served terms as Minister of Health and Internal Affairs.

[3][4] Kabua subsequently worked as teacher aide, student liaison officer and general manager of the Marshall Islands Development Authority.

[10] Kabua said that combating climate change, negotiating with the US regarding the extension of a funding arrangement that expires in 2024 and addressing the issue of Runit Dome as the top priorities of his presidency.

[11] Meaghan Tobin, writing for the South China Morning Post described Kabua as a moderate politician who would continue the country's relationship with Taiwan.

[14] Kabua and his cabinet were sworn into office by Chief Justice Carl Ingram of the High Court of the Marshall Islands on 13 January 2020.