Why Did South Korea Switch to the International Age System?

Posted on Sep 8, 2024

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There are several key reasons behind South Korea’s recent transition to the international age system:

Reducing Confusion and Disputes

The use of multiple age systems in South Korea, including Korean age, international age, and year age, led to widespread confusion and disputes in various contexts. For example, there were questions about which age system should be used for COVID-19 vaccine eligibility and passport rules. The change to the international age system is expected to “reduce legal disputes, complaints, and general social confusion” going forward.

Aligning with Global Standards

South Korea was one of the few countries still officially using the traditional Korean age system, which counted newborns as one year old. By adopting the international standard where babies are born at 0 years old, South Korea is now aligned with most of the world. This change makes it easier for South Koreans to interact with other countries and reduces the need for age conversions.

Fulfilling a Presidential Campaign Pledge

The transition to the international age system was one of President Yoon Suk-yeol’s campaign promises. After taking office, his government incorporated this change into its 120 national tasks and pushed for the necessary legal amendments. The change was widely supported by the public, with over 80% of South Koreans favoring standardization according to a 2022 poll.

Combating Ageism and Hierarchical Culture

The Korean age system was deeply intertwined with the country’s hierarchical culture and ageist attitudes. By unifying ages, the new system will ensure students in the same grade are the same age, eliminating the need for younger students to use honorifics for older classmates. While significant cultural shifts may take time, the change is expected to help weaken the hierarchical nature of South Korean society.

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