NAIC · National Association of Insurance Commissioners

Insurance Market
United States

Financial Year 2024 · ~5,900 carriers · Source: NAIC Year-End Snapshots & Gallagher Re
Full Year 2024
January 1 — December 31, 2024 All figures in US Dollars ($ USD) ~5,900 insurance entities
$ 3,493.7 B
Total Direct Written Premiums (all NAIC entities)
Market Overview
Key performance indicators — NAIC Year-End 2024 Industry Snapshots
Annual Market Overview ($ Billions)
YearP&C NPWLife/A&H DWHealth DWTitle DPWTotalYoY
Total Premiums by Segment 2019–2024 ($B)
Segment Premium Trends ($B)

Market Highlights: The US insurance industry generated $3.49T in total premiums across all NAIC entity types in 2024 — approximately 40% of the global insurance market. Insurance penetration reached ~11.7% of GDP ($29.9T), with per-capita density of ~$10,400 — among the highest globally. All four segments posted positive premium growth. P&C delivered standout profitability with CR 96.9% (−4.8 pts) and record NI of $166.4B. Life/A&H surged +10.6% on record annuity sales of $521.9B. Health entities crossed into underwriting loss territory: CR 100.1%, NI collapsed −62.9% to $9.3B under pressure from rising medical utilization, GLP-1 drug costs, and Medicaid redetermination. Title insurance recovered +7.0% but remains unprofitable (CR 104.1%).

Market Segments
Four major NAIC-regulated insurance industry segments
Property & Casualty
$932.2B
Net Premiums Written · ↑ +8.0%
Combined Ratio96.9% (−4.8 pts)
Net Income$166.4B (+90.6%)
Surplus$1,131.6B (+6.5%)
ROE15.2% (+6.7 pts)
Investment Income$84.7B (+20.4%)
Life / Accident & Health
$1,354.6B
Direct Written Premium · ↑ +10.6%
Life Premium$224.1B (+4.7%)
Annuities$521.9B (+18.6%)
A&H Premium$249.7B (+9.9%)
Net Income$23.4B (−25.4%)
Capital & Surplus$510.5B (+1.7%)
ROE4.6% (−1.6 pts)
Health Entities
$1,190.6B
Direct Written Premium · ↑ +6.9%
Loss Ratio (MLR)89.0% (+2.3 pts)
Admin Expense Ratio11.2% (−0.4 pts)
Combined Ratio100.1% (+1.9 pts)
Net Income$9.3B (−62.9%)
Enrollment270M lives
Profit Margin0.8% (−1.5 pts)
Title Insurance
$16.3B
Direct Premiums Written · ↑ +7.0%
Combined Ratio104.1% (flat)
Loss Ratio5.1% (+0.4 pts)
Expense Ratio99.0% (−0.4 pts)
Net Income$1.1B (+4.9%)
Net Inv. Income$0.5B (−8.1%)
P&C Sub-Lines — Key Metrics
#Line of BusinessNPW 2024 ($B)NPW 2023 ($B)Loss RatioMarket Share
P&C Sub-Line Breakdown
Market Composition by Segment

Segment Analysis: The P&C sector drove the strongest profitability improvement, with loss ratio dropping 5.1 points to 71.2%. The Life/A&H sector experienced a record annuity surge of +18.6% ($521.9B), driven by elevated interest rates making fixed annuities highly attractive. Health entities crossed into underwriting loss territory with CR 100.1%, driven by medical cost inflation and GLP-1 drug expenditures. Title insurance remained in a challenging real estate environment with premiums well below the 2021 peak of $26.4B.

Top Insurance Groups
Leading carriers by premium volume across major segments
Top 15 P&C Insurance Groups by Net Premiums Written ($B)
#GroupNPWSharePrior YrCRKey Lines
P&C Market Share — Top 15
Health Market Share — Top 10
Top 10 Life/Annuity Groups by Direct Written Premium ($B)
#GroupDWPShareAssets ($B)Rating
Top 10 Health Insurance Groups by Premium Volume ($B)
#GroupDWPShareMLRLives (M)
Market Dynamics
Multi-year trends in premiums, profitability and financial performance
The US insurance market has undergone a significant profitability cycle between 2019 and 2024. After two consecutive underwriting loss years (CR > 100%) in 2022–2023, the P&C sector staged a remarkable turnaround in 2024 driven by cumulative rate hardening, lower catastrophe losses relative to 2023, and disciplined underwriting. The Life/A&H sector saw its highest premium growth in over a decade, while Health entities struggled with medical cost trends outpacing premium growth.
P&C Premiums & Claims 2019–2024 ($B)
Segment YoY Premium Growth (%)
P&C Combined Ratio Components 2019–2024
P&C Financial Metrics ($B)

Cycle Analysis: The P&C market entered 2024 in the strongest pricing position since the early 2000s hard market. Cumulative rate increases exceeded 40% across many commercial lines from 2019–2024. The expense ratio ticked up slightly to 25.2% (+0.3 pts), offset by a dramatic improvement in loss ratio to 71.2% (−5.1 pts). Net investment income grew 20.4% to $84.7B as reinvestment yields improved with higher interest rates. Policyholders' surplus reached a record $1,131.6B, providing robust capacity for future growth.

Loss Ratios & Underwriting Performance
Combined ratio analysis across P&C lines of business and Health entities
Loss ratios vary dramatically across lines of business, reflecting inherent risk characteristics, pricing adequacy, and catastrophe exposure. Workers' compensation continues to show the strongest underwriting results, while personal auto and homeowners have experienced the most volatility.
Combined Ratio Trend by Segment 2019–2024
P&C Loss Ratio by Line of Business

Underwriting Cycle: The P&C industry's combined ratio improved to 96.9% — the first underwriting profit since 2021. The loss ratio of 71.2% reflects both rate adequacy and a relatively benign catastrophe year compared to 2022–2023. The dividend ratio remained stable at 0.5%. Health entity combined ratio breached 100% for the first time since 2020-era government subsidies ended, as medical utilization and drug costs (particularly GLP-1 therapies) accelerated faster than premium adjustments.

Global Reinsurance Market
H1 2025 data — Gallagher Re Reinsurance Market Report, September 2025
The global reinsurance industry entered H1 2025 with strong momentum. Capital reached $805B (+4.8%), driven by retained earnings and favorable financial markets. However, H1 2025 was the costliest first half for natural catastrophes since 2011, with insured losses of at least $84B, dominated by the California/Los Angeles wildfires. Despite elevated catastrophe activity, the SUBSET reported a robust 17.7% ROE, supported by investment gains and prior-year reserve releases.
Reinsurance Capital Evolution ($B)
Reported vs Underlying ROE (%)
H1 2025 Reinsurance Key Metrics
MetricH1 2025FY 2024FY 2023Comment
Global Insured Natural Catastrophe Losses ($B)
SUBSET Combined Ratio Components

Reinsurance Outlook: Gallagher Re projects FY2025 ROE of 17–18% for the SUBSET, assuming normalized catastrophe losses for H2. Traditional reinsurance capital is on track to grow ~8% in 2025. The industry has more than recouped the weaker profit years of 2017–2020, with cumulative ROE comfortably above WACC. Key risks include potential softening in property catastrophe pricing, US casualty reserve uncertainty, and elevated natural catastrophe frequency. The CA/LA wildfires alone accounted for an estimated 15% share of the SUBSET's insured losses.

Global Market Context
US position within the global insurance landscape (Swiss Re sigma estimates)
Top 10 Global Insurance Markets 2024
#CountryPremium ($B)Global SharePenetrationDensity ($/cap)
Global Market Share — Top 10
Insurance Penetration (% of GDP)

US Dominance: The United States remains the world's largest insurance market by a wide margin, accounting for approximately 40% of global premiums. The US insurance penetration of ~11.5% of GDP (across all lines) reflects the deep role of private insurance in American healthcare, retirement, and property protection. By contrast, emerging markets average 1.5–3% penetration, indicating significant global growth potential. China ranks second at ~$700B but with much lower per-capita density.

Key Findings & Strategic Outlook
Seven critical conclusions from the 2024 US insurance market analysis
1
$3.49T total market — all four NAIC segments posted positive growth. P&C NPW grew +8.0% to $932.2B, Life/A&H DW surged +10.6% to $1,354.6B, Health DW rose +6.9% to $1,190.6B, and Title DPW recovered +7.0% to $16.3B. The industry's 5-year compound growth rate across all segments averages approximately 6–8% annually, reflecting sustained demand for insurance products in an inflationary environment.
2
P&C profitability transformation — CR 96.9% represents a $44.7B swing. After two years of underwriting losses (CR 102.5% in 2022, 101.7% in 2023), the P&C sector achieved $25.0B in underwriting profit. Cumulative rate hardening across commercial lines, disciplined capacity deployment, and lower-than-expected catastrophe losses combined to produce the best loss ratio (71.2%) since 2020. Net income surged 90.6% to $166.4B — a record.
3
Annuity boom drives Life/A&H to $1.35T — but net income declined 25.4%. Record annuity sales of $521.9B (+18.6%) reflect consumer demand for guaranteed income products in a high-rate environment. Life premiums grew a modest +4.7% to $224.1B. Despite revenue growth, net income fell to $23.4B due to higher benefit payments ($372.4B, +7.4%) and realized investment losses ($6.4B). Capital remains adequate at $510.5B (+1.7%).
4
Health entities crossed into underwriting loss — CR 100.1%, net income −62.9%. Medical loss ratio rose to 89.0% (+2.3 pts) driven by rising medical utilization, specialty drug costs (GLP-1 medications), and Medicaid redetermination effects. Net income plummeted to $9.3B from $24.9B. Cash flow from operations turned negative (−$1.4B). Enrollment was flat at 270M lives. Premium per member per month rose 8.1% to $364 but lagged claims PMPM growth of 10.7%.
5
Reinsurance capital reached $805B — costliest H1 for nat cat since 2011. Global reinsurance dedicated capital grew 4.8% to $805B at H1 2025, with INDEX capital at $660B (+5%). The SUBSET reported 17.7% ROE despite $84B+ in global insured natural catastrophe losses (CA/LA wildfires accounted for 15% of SUBSET's nat cat share). Underlying ROE was 12.6%, down from 15.2% in 2024 HY. Gallagher Re projects 17–18% full-year ROE assuming normalized H2 catastrophe losses.
6
Industry consolidation continues — carrier count declining across all segments. Life/A&H filers dropped to 727 (−1.6% YoY, from 771 in 2020). Health entity filers fell to 1,155. The top 10 P&C groups write approximately 55% of total premiums, reflecting increasing concentration. Scale advantages in technology, data analytics, and distribution are accelerating M&A activity, particularly in specialty and Insurtech sectors.
7
Outlook: climate risk, social inflation, and rate adequacy remain defining challenges. The P&C hard market is showing early signs of moderation in some lines. Social inflation (rising litigation costs, nuclear verdicts) continues to pressure liability reserves. Climate-driven catastrophe frequency is increasing, with the 2025 H1 nat cat losses already 55% above the decadal average. Health entities face continued margin compression from GLP-1 utilization and post-pandemic medical demand. The Life/A&H sector's annuity-driven growth depends on interest rate trajectory.
Data Sources & Methodology

Primary sources: NAIC Industry Snapshots, December 31, 2024 (published 2025); Gallagher Re Reinsurance Market Report, H1 2025 (September 2025); Swiss Re sigma estimates. P&C data uses Net Premiums Written (NPW). Life/A&H and Health data uses Direct Written Premium (DWP). Carrier-level data estimated from publicly available reports and SEC filings. Global market data based on Swiss Re sigma and national regulator publications. All figures adjusted to eliminate affiliated amounts per NAIC methodology.