Top Global Reinsurance Groups

This Top Global Reinsurance Groups directory is based on research data from rating agency A.M. Best, and ranks companies based on full-year 2024 performance.

Listing the top reinsurers in the world, this directory provides a simple way to analyse the world’s top reinsurance companies.

You can sort the table by any of the headings and search it to analyse individual reinsurance companies.

Companies that report under IFRS 17 are ranked 1 to 16 based on gross reinsurance revenue, and companies that report under non-IFRS 17 are ranked 1 to 34 based on gross written reinsurance premium. All companies that provided non-group reinsurance financial data were considered by AM Best.

Non-IFRS 17 Rank	IFRS 17 Rank	Company Name	Life & Non-Life Reinsurance Premiums (GPW)	Life & Non-Life Reinsurance Revenue (Gross)	Total Share-holders Funds2	Combined Ratio3
	1	Swiss Re Ltd.		36,181	23,240	89.9
	2	Munich Reinsurance Company		32,555	34,112	77.3
	3	Hannover Rück S.E.		27,480	13,218	86.6
1		Berkshire Hathaway Inc.	26,906		651,655	82.9
2		Lloyd's 4,5	23,537		58,879	87.7
	4	SCOR S.E.		16,799	4,713	86.6
3		Reinsurance Group of America Inc.	15,573		10,906	N/A
4		Everest Re Group Ltd.	12,941		13,875	89.6
5		RenaissanceRe Holdings Ltd. 7	11,733		10,574	83.9
6		Arch Capital Group Ltd.	11,112		20,820	83.3
7		PartnerRe Ltd.	9,345		9,404	85.9
8		MS&AD Insurance Group Holdings, Inc. 6,7,10	6,836		15,688	99.4
	5	China Reinsurance (Group) Corporation		5,864	15,438	89.5
9		General Insurance Corporation of India 6	4,905		10,381	107.1
10		MAPFRE RE, Compañía de Reaseguros S.A. 8	4,454		2,544	94.6
11		Odyssey Group Holdings, Inc.	3,815		6,395	84.5
	6	Assicurazioni Generali SpA		3,639	34,476	106.2
12		R+V Versicherung AG 9	3,549		2,497	95.5
	7	Korean Reinsurance Company		3,493	2,348	90.9
	8	Canada Life Re		3,430	14,544	86.6
	9	Sompo International Holdings, Ltd.		3,253	10,718	83.7
13		Liberty Mutual 11	3,054		30,652	98.7
	10	AXA XL		2,958	12,801	79.8
14		Pacific LifeCorp	2,842		10,154	N/A
15		Axis Capital Holdings Limited	2,390		6,089	91.8
16		American Agricultural Insurance Company	2,354		766	84
17		Convex Group Limited	2,333		3,672	82.3
18		The Toa Reinsurance Company, Limited 6,7	2,302		3,172	91.1
19		Deutsche Rückversicherung AG 10	2,172		355	92.6
20		Allied World Assurance Company Holdings, AG	2,057		6,012	88.7
21		Aspen Insurance Holdings Limited	1,886		3,372	85
22		Ascot Group Ltd.	1,747		2,446	99.6
	11	QBE Insurance Group Limited		1,685	10,731	83
23		Core Specialty Insurance Holdings, Inc.	1,581		1,195	106.8
24		Chubb Limited	1,567		68,394	85.8
25		Tokio Marine & Nichoda Fire Insurance Co. Ltd. 6,12	1,461		20,187	96.1
26		DEVK Gruppe	1,437		3,085	94.2
27		Arundo Re	1,390		861	98.2
28		SiriusPoint Ltd.	1,336		1,939	88.1
29		Somers Re Ltd.	1,302		1,309	96.1
30		W.R. Berkley Corporation 13	1,250		8,407	84.1
	12	African Reinsurance Corporation		1,200	1,159	82
31		Qianhai Reinsurance Co., Ltd.	1,189		514	96.2
	13	Peak Reinsurance Company Ltd.		1,156	1,433	84
32		Markel Corporation	1,151		16,929	100.5
33		Hamilton Insurance Group, Ltd.	1,145		2,329	87.5
	14	Taiping Reinsurance Co. Ltd. 7		1,112	1,562	91.5
34		Ark Insurance Holdings Ltd.	1,106		1,378	102.8
	15	Hiscox Ltd.	1,028		3,690	65.7
	16	IRB - Brasil Resseguros S.A.	978		795	79.7

Notes:

1. All non-USD currencies converted to USD using foreign exchange rate at year-end 2024.
2. As reported in the group’s annual statement.
3. Non-Life only.
4. Reflects total reinsurance premium written by all syndicates in the Lloyd’s market. The above list includes insurance groups that write reinsurance business in the Lloyd’s market. As such, reinsurance premium is included in both the insurance group’s premium figure and the Lloyd’s market’s premium figure.
5. Shareholders’ funds includes Lloyd’s members’ assets and Lloyd’s central reserves..
6. Fiscal year ended March 31, 2025.
7. Net asset value used for shareholders’ funds.
8. Premium data excludes intragroup reinsurance.
9. Ratio is as reported and calculated on a gross basis.
10. Ratio is based on the group’s operations.
11. Ratio is based on Liberty Mutual Insurance Europe SE financial statements.
12. Ratio is based on Tokio Marine & Nichido Fiscal Year 2024 reported combined ratio.
13. Ratio includes monoline excess business in addition to reinsurance..
(N/A) – Information not applicable or not available at time of publication.

Source: © A.M. Best Company, Inc. — used by permission.