Mitsui Sumitomo Insurance Co., Ltd. (MSI) employed around thousand people as of fiscal year 2022. The number of employees decreased from about thousand people compared to the previous fiscal year. The non-life insurance company operates as a subsidiary of MS&AD Insurance Group Holdings, Inc.
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MS&AD Insurance Group Holdings. (August 22, 2023). Number of employees working for Mitsui Sumitomo Insurance Co., Ltd. (MSI) from fiscal year 2013 to 2022 (in 1,000s) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 24, 2026, from /statistics/817372/mitsui-sumitomo-insurance-employee-numbers/
MS&AD Insurance Group Holdings. "Number of employees working for Mitsui Sumitomo Insurance Co., Ltd. (MSI) from fiscal year 2013 to 2022 (in 1,000s)." Chart. August 22, 2023. ÌÇÐÄÆÆ½â°æ. Accessed July 24, 2026. /statistics/817372/mitsui-sumitomo-insurance-employee-numbers/
MS&AD Insurance Group Holdings. (2023). Number of employees working for Mitsui Sumitomo Insurance Co., Ltd. (MSI) from fiscal year 2013 to 2022 (in 1,000s). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 24, 2026. /statistics/817372/mitsui-sumitomo-insurance-employee-numbers/
MS&AD Insurance Group Holdings. "Number of Employees Working for Mitsui Sumitomo Insurance Co., Ltd. (Msi) from Fiscal Year 2013 to 2022 (in 1,000s)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 22 Aug 2023, /statistics/817372/mitsui-sumitomo-insurance-employee-numbers/
MS&AD Insurance Group Holdings, Number of employees working for Mitsui Sumitomo Insurance Co., Ltd. (MSI) from fiscal year 2013 to 2022 (in 1,000s) ÌÇÐÄÆÆ½â°æ, /statistics/817372/mitsui-sumitomo-insurance-employee-numbers/ (last visited July 24, 2026)
Number of employees working for Mitsui Sumitomo Insurance Co., Ltd. (MSI) from fiscal year 2013 to 2022 (in 1,000s) [Graph], MS&AD Insurance Group Holdings, August 22, 2023. [Online]. Available: /statistics/817372/mitsui-sumitomo-insurance-employee-numbers/