Last month, the number of employed workers increased by the largest margin in ten months, but job vacancies in vulnerable groups decreased.

According to the statistics of the National Statistical Office, the number of unemployed workers in November was 3,589,000, which was 100,000 less than a year ago.

Since January, 2013, the number of unemployed workers has decreased the most in last month.

Job skills required for simple laborers are the first level. Among the four levels defined by Korea Standard Occupational Classification, there is the lowest entry barriers in technology and knowledge.

According to the National Statistical Office (NSO), the number of relatively weak jobs in the labor market has decreased dramatically in the past month.

An official from the National Statistical Office said, "The number of simple job positions decreases more than other jobs when the employment index is not good."