The promotion of the North Korean leader’s sister Kim Yo Jong to the role of department director has triggered widespread speculation about the extent of her political influence, suggesting that Kim Jong Un seeks to reinforce his control by installing family members in key positions.

But a closer look at organizational changes within the party over the years tells a more complex story about Kim Yo Jong’s place in the country’s leadership, showing how her previously publicized positions may not reflect the true extent of her importance.

Following a reorganization of party