The Insurance Group Most Chosen by Customers

Sources: Prepared by MS&AD based on publicly announced information from each insurance company and data from the General Insurance Association of Japan.
* MS&AD figures are simple sums of figures for MSI, ADI, Mitsui Direct General, and au Insurance Company
* Figures for other insurance groups are simple sums of non-consolidated figures for domestic companies in each group.
* Figures are presented exclusive of the Good Results Return premiums of Mitsui Sumitomo Insurance’s proprietary “ModoRich” automobile insurance product, which contains a special clause for premium adjustment and refund at maturity (same hereinafter).

The Largest Sales / Customer Base in Japan

We are pursuing competitive advantages of scale based on our powerful non-life insurance sales channels covering multiple market segments and our nationwide sales/claims support (service) network.

Domestic net premiums written (FY2017)

2.7 trillion yen

Number of individual customers in Japan

Approx. 42 million

Number of corporate customers in Japan

Approx. 2.4 million

Number of domestic non-life insurance agents


Domestic marketing bases*


Domestic claims handling service centers*


The domestic net premiums written value is a non-consolidated, simple sum for Mitsui Sumitomo Insurance, Aioi Nissay Dowa Insurance, and Mitsui Direct General Insurance. Other than that, the figures are simple sums for Mitsui Sumitomo Insurance and Aioi Nissay Dowa Insurance, as of the end of March 2018 (items marked * are as of April 1, 2018).