The phrase is most closely associated with the military service (conscription) crisis that affected South Koreans born in 1990 and 1991. This is likely where the "verified" tag in your query originates—it refers to the verified statistical anomalies of this specific generation.
The "Empty Barracks" Incident In the early 2010s, the South Korean military faced a severe shortage of manpower, often referred to as the "Vacant Barracks" phenomenon. jangbu ilsaek 1990 verified
If the term is being used to describe the economic status of the 1990 cohort, it refers to the burden of becoming a "Jangbu" (Head of Household) in a collapsing economy. The phrase is most closely associated with the
1. The Price of Adulthood For the 1990-born generation, becoming a "Jangbu" was not a rite of passage but a financial sentence. Entering the workforce around 2012–2015, they faced: phonetics often drive trends.
2. The "Il-saek" (Uniformity) of Struggle The "Il-saek" aspect critiques the uniformity of their struggle. Unlike previous generations where divergent paths were common, the 1990 cohort faced a "uniform" wall of economic hurdles. They are "verified" as the generation that delayed marriage and childbirth the longest, effectively breaking the traditional definition of a "Jangbu."
It is possible that "Jangbu Ilsaek" is a niche internet slang or a typo for a similar-sounding phrase. In Korean internet culture, phonetics often drive trends.