South Korea's National Intelligence Service delivered its strongest assessment yet on the political standing of North Korean leader Kim Jong Un's teenage daughter on Monday, telling lawmakers in a closed-door parliamentary briefing that it is now appropriate to view her as his successor.

NIS Director Lee Jong-seok made the remarks in response to questions from members of the National Assembly's intelligence committee, according to lawmakers from both the ruling and opposition parties who attended the session. The director was quoted as saying the agency's conclusion was "not a judgment based on mere signs but on credible intelligence."

The girl, believed to be around 13 years old and named Kim Ju Ae, has appeared alongside her father at an accelerating pace since her first public outing in November 2022, when she watched a long-range missile test launch. Her visibility has expanded from weapons tests and military parades to gun ranges, munitions factory visits, and most recently, driving a battle tank at a military training base with her father riding alongside her.

A Deliberate Succession Narrative

Monday's briefing represented a notable escalation in how Seoul characterizes the young Kim's role. In early 2024, the NIS described her as Kim Jong Un's likely heir — its first official assessment on the matter. By February of this year, the agency said it believed she was close to being formally designated as the country's future leader. The language used on Monday went further, with the director stating plainly that she can be considered the successor.

Lawmakers relayed that the NIS views her recent defense-sector appearances as a coordinated effort by Pyongyang to build a leadership narrative around her. The tank imagery in particular was assessed as an intentional parallel to Kim Jong Un's own public military appearances during the early 2010s, when he was being groomed to succeed his father, Kim Jong Il.

Democratic Party lawmaker Park Sun-won described the tank display as an "homage" to Kim's own succession period. People Power Party lawmaker Lee Seong-kweun said the agency characterized the broader pattern of appearances — including firing rifles at shooting ranges, test-firing pistols at a munitions factory, and riding in military vehicles — as aimed at "diluting skepticism around a female successor and accelerating efforts to build a succession narrative."

Kim Yo Jong's Role Diminished

When lawmakers raised the possibility that Kim Jong Un's younger sister, Kim Yo Jong, might object to the growing focus on Ju Ae, the NIS director responded that she holds no substantial independent power. Kim Yo Jong has long been regarded by outside observers as the regime's de facto number two, wielding significant influence over messaging and policy communication. She was elevated in February to lead the Workers' Party of Korea's General Affairs Department, a role that analysts assess as primarily administrative — determining what reaches Kim Jong Un's desk and how his directives flow through the government.

The NIS assessment suggests that whatever influence Kim Yo Jong exercises is derivative of her brother's authority rather than rooted in an independent power base, making her an unlikely source of institutional resistance to a fourth-generation succession.

Skeptics Urge Caution

Not all analysts share the NIS's confidence. Some North Korea watchers argue that the country's deeply patriarchal political culture makes it unlikely to embrace a female leader, regardless of how many military photo opportunities are arranged. Others point out that Kim Jong Un, at 42, is relatively young and that formally naming a successor this early could introduce instability by creating a competing center of power.

Hong Min, an analyst at the Korea Institute for National Unification, noted that Ju Ae's tank appearance was insufficient on its own to confirm her as heir. He pointed out that she appeared alongside her father rather than independently — a distinction from Kim Jong Un's own solo military outings during his grooming phase, which were designed to establish him as a capable leader in his own right.

North Korean state media has never published the girl's name, though it refers to her as Kim Jong Un's "most beloved" or "respected" child. Her reported name traces back to former NBA player Dennis Rodman, who recalled holding Kim's baby daughter during a 2013 visit to Pyongyang. Whether she has siblings remains unconfirmed, though South Korean media has previously speculated she is the second of three children.

A Regime Recalibrating

The NIS briefing extended beyond succession matters. Lawmakers said the agency assessed that North Korea is recalibrating its broader foreign policy posture, particularly in response to the ongoing conflict in the Middle East. Despite longstanding ties with Iran, Pyongyang has reportedly refrained from sending weapons or supplies to Tehran and did not issue condolences following the death of former Supreme Leader Ali Khamenei.

The agency attributed this restraint to a desire to preserve diplomatic flexibility ahead of a planned summit between Chinese President Xi Jinping and U.S. President Donald Trump in May. The NIS also noted institutional changes within North Korea, including the reported removal of "socialist" from the constitution's official state name for the first time in over five decades — a move interpreted as an effort to project a more normalized state identity.

North Korea, established in 1948, has been ruled exclusively by male members of the Kim family across three generations. If the NIS assessment holds, Kim Ju Ae would represent the first female leader in the dynasty's history — and the extension of its rule into a fourth generation.