Kim Jong-un’s teen daughter vs powerful sister: North Korea succession buzz heats up

Kim Jong Un, his daughter and sister. (Reuters)

• Speculation grows over Kim Ju Ae and Kim Yo-jong as successors
• Kim Ju Ae's public appearances fuel talk of dynastic continuity
• Kim Yo-jong remains a powerful figure in North Korean politics

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A fresh round of succession speculation is building around who could eventually lead North Korea -- and the conversation is increasingly centred on two names from the ruling Kim dynasty: teenage daughter Kim Ju Ae and influential aunt Kim Yo‑jong.

Who rules North Korea now?

North Korea has been governed by male members of the Kim family since its founding in 1948. The lineage began with founder Kim Il‑sung, followed by his son Kim Jong‑il. Current leader Kim Jong‑un was only 26 when he was publicly identified as heir in 2010 and assumed power after his father’s death in 2011. Analysts often note that his relatively rushed elevation may influence how early he is signalling potential successors today.

Is a successor being lined up?

South Korea’s spy agency, the National Intelligence Service, recently told lawmakers it believes Kim Jong-un’s daughter may be approaching a “successor-designate stage.” The assessment came ahead of a major political conference of the ruling Workers’ Party of Korea, where leadership optics are closely watched for signs of long-term power planning.

For years, South Korean officials had doubted a female successor was likely, citing North Korea’s conservative and male-dominated political culture. However, the daughter’s growing presence in state media and at high-profile events has prompted a reassessment.

Who is Kim Ju Ae?

Kim Ju Ae first appeared publicly in late 2022 at a long-range missile test and has since been seen alongside her father at military parades, factory visits and weapons demonstrations. Her visibility intensified after a New Year visit to Kumsusan Palace of the Sun in Pyongyang — a mausoleum housing the embalmed bodies of former leaders. Some experts viewed that appearance as a symbolic nod to dynastic continuity.

North Korean state media have never officially published her name, referring to her only as the leader’s “beloved child.” The widely used name “Kim Ju Ae” stems largely from remarks by former NBA star Dennis Rodman, who said he met Kim Jong-un’s infant daughter during a 2013 visit.

Who is Kim Yo-jong?

Kim Yo-jong, the younger sister of Kim Jong-un, is widely regarded as one of the most powerful figures in North Korean politics. She holds senior roles within the party’s propaganda and policy structures and frequently issues official statements, often taking a hard line against South Korea and the United States.

Her international profile rose during the 2018 Winter Olympics visit to Pyeongchang, where she became the first member of the ruling Kim family to cross into South Korea since the Korean War. She has also accompanied her brother to high-level summits, including meetings with former US president Donald Trump and Russian president Vladimir Putin.

Is a power struggle likely?

Some former South Korean intelligence officials and diplomats have suggested that if Kim Jong-un were suddenly incapacitated, Kim Yo-jong could attempt to consolidate power, potentially setting the stage for an internal contest with a younger heir. Others caution that North Korea’s opaque political system makes firm predictions difficult and that public appearances do not automatically translate into formal succession plans.

What is clear is that increased visibility for both women has intensified global scrutiny of North Korea’s tightly controlled leadership dynamics. Whether this signals an imminent transition or simply calibrated image management remains uncertain, but the question of “who comes next” is now more openly discussed than at any point in the past decade.

*With Agency inputs