1. Current Status Overview

From 2014 to 2024, an analysis of the foreign worker ratio among the top 5 industries in Ansan City showed that Business Facility Management, Business Support, and Rental Service Industry and Accommodation and Food Service Industry had relatively high dependence on foreign labor. The manufacturing industry, which had the largest number of workers, maintained a ratio of 15~26%, and in 2024, the foreign worker ratio across all industries showed a simultaneous decline.

2. Detailed Data by Year

Year	Business Facility Management·Rental (%)	Accommodation and Food Service (%)	Wholesale and Retail Trade (%)	Construction (%)	Manufacturing (%)
2014	42.8	33.1	23.7	18.0	17.6
2015	52.4	35.0	21.7	20.7	17.6
2016	56.4	36.6	17.2	26.3	18.7
2017	59.8	32.9	33.9	25.5	17.8
2018	58.9	34.7	49.5	27.3	17.4
2019	52.9	33.0	27.6	26.2	20.7
2020	57.6	46.3	25.8	24.2	24.4
2021	61.9	46.1	30.4	26.8	24.6
2022	59.4	43.4	37.5	27.3	25.0
2023	52.1	46.4	37.0	29.7	26.3
2024	38.0	29.6	27.3	23.8	15.8

3. Key Trend Analysis

High Dependence of Business Facility Management·Rental Service Industry : It steadily rose from 42.8% in 2014 to a peak of 61.9% in 2021. This industry showed a high foreign worker ratio exceeding 50% for most of the analysis period.

Trends in Accommodation·Food Service and Wholesale·Retail Industries : The accommodation and food service industry surged to the 40% range after 2020 and maintained a high proportion. The wholesale and retail trade industry temporarily surged to 49.5% in 2018 but fluctuated around the 30% range thereafter.

Proportion of Manufacturing and Construction Industries : Manufacturing maintained a ratio of 17~26% until 2023 despite its absolute number of workers. The construction industry also showed a moderate change range between 18~29%.

Simultaneous Decrease in Ratios Across All Industries in 2024 : In 2024, the foreign worker ratio in all top 5 industries decreased significantly compared to the previous year, including business facility management·rental (38.0%), accommodation·food service (29.6%), wholesale·retail (27.3%), construction (23.8%), and manufacturing (15.8%).