Nearly 14 percent of South Korea's professionals posted less than 2 million won ($1,800) in monthly earnings last year, an opposition party lawmaker said Friday.

Rep. Park Kwang-on of the main opposition Minjoo Party said 4,609 out of 33,319 professional workers such as lawyers and accountants said their average annual earnings stood at less than 24 million won last year, citing data by the National Tax Service.

By job, 20.1 percent of architects reported to the tax authorities that their annual earnings were less than 24 million won, with 17.8 percent of lawyers and 8.7 percent of accountants reporting similar figures last year, showed the data cited by Park.

Meanwhile, the average annual per capita earnings of professionals came to 232 million won last year, the data said. (Yonhap)