How do Insurance Companies Make Money?

July 21, 2019

*Updated December 11th, 2025

Insurance companies typically don’t make money directly on your premiums alone. While an insurance company collects premiums from policyholders to cover potential claims, the money collected is primarily used to pay out in claims and manage expenses. The real earnings happen in the time between charging premiums and paying claims. Understanding how insurance companies make money can help you better understand the cost of buying insurance and how the insurance industry operates.

Premiums Collected

Many people assume an insurance company generates profit simply by collecting premiums. In reality, premiums create only part of an insurer’s total revenue. Insurance companies rely on underwriting, actuarial risk assessment, and the ability to set premiums appropriately based on the level of risk.

Some insurance companies pay out more in claims than they receive in premium income during certain years. For example, life insurance companies may pay a large life insurance claim only a year or two after issuing a policy. In these situations, the premiums collected are far less than the payout, resulting in what’s called a loss ratio imbalance for that policy.

Other times, policyholders may pay premiums for 10, 20, or 30 years without ever filing an insurance claim. Many insurance companies rely on this balance between claims paid and premiums received, though this alone is rarely enough for an insurance company to make a profit.

Investing the Premiums

The primary way insurance companies make a profit is by investing the premiums they collect. After receiving premiums from policyholders, an insurer invests the premiums in various financial instruments such as bonds, stocks, and long-term investment portfolios. Insurance companies invest conservatively to ensure the funds are available for future claims.

This investment income is a major source of revenue for many insurance companies. Even modest returns help insurers generate additional income and offset claims and expenses. Investing the premiums received allows an insurance company to cover claims, administrative costs, commissions, and risk without relying solely on underwriting profit.

Large insurers, including well-known institutions like Lloyd’s of London, use sophisticated strategies that allow them to collect more in premiums and earn predictable returns. Because many insurance companies manage claims and risk differently, profitability varies significantly across sectors of the insurance industry—from health insurers to property and casualty insurance providers.

Lapsed Coverage

Lapsed policies also contribute to an insurance company’s financial stability. When life insurance coverage ends without a claim—such as when the term of the policy expires—premiums paid are kept entirely by the insurer. Many insurers employ actuaries to forecast lapse rates and evaluate how these policies impact the insurance company’s financial performance.

While lapsed coverage is not something insurers can rely on entirely, it still supports the overall profitability of life insurance companies and other sectors of the insurance industry.

Following the Insurance Industry

Insurance companies also make money by strategically positioning themselves within competitive markets. An insurer must balance charging premiums high enough to cover potential claims and expenses while staying competitive enough to maintain market share.

If an insurance company charges higher premiums than its competitors, policyholders will often go elsewhere when buying insurance. Many insurance companies track industry trends, adjust pricing models, and employ actuaries to ensure they set premiums appropriately.

A financially healthy insurance company will also maintain reserves, ensuring that even during years with high claims paid or unexpected losses, they remain solvent. Effective reinsurance—insurance that insurance companies buy to cover claims beyond their financial capacity—further protects an insurer from catastrophic losses.

How Insurance Companies Generate Profit

Insurance companies make a profit through two main channels:

1. Underwriting Profit

If an insurance company collects more in premiums paid than it pays out in claims and expenses, it achieves underwriting profit. However, many insurance companies make only minimal underwriting profit or even underwriting losses in certain years.

2. Investment Income

Insurers generate revenue by investing the premiums they collect in various financial instruments. This investment income often plays a larger role in profitability than underwriting alone. A strong return on equity, combined with good risk assessment and efficient claim management, supports long-term financial strength.

Together, these revenue streams help insurers remain profitable—even when claims rise or unexpected events occur.

Final Thoughts

Insurance companies earn money through a combination of charging premiums, underwriting, and generating investment income. While underwriting profit is helpful, the real financial engine behind many insurance companies is the investment of premiums received during the term of the policy.

By collecting premiums from policyholders, managing claims and risk, investing the premiums effectively, and using reinsurance to protect against catastrophic losses, many insurance companies remain stable, profitable, and able to cover claims as promised.

Understanding how insurance companies make money can help consumers feel more informed when buying insurance and comparing different insurance policies.