
The Affordable Care Act (ACA), also known as Obamacare, was signed into law in 2010 and has since provided millions of Americans with access to health insurance. The ACA offers a range of health insurance plans, from Bronze to Platinum, with varying premiums and out-of-pocket costs. While the ACA prohibits insurers from denying coverage based on pre-existing conditions or sex, rates are influenced by factors such as age, tobacco use, and location. Additionally, the cost of ACA insurance is determined by the maximum percentage of household income an employee would need to spend on the lowest-cost employer healthcare option. With premiums expected to increase in 2025, it is important to understand the factors influencing ACA insurance rates to make informed decisions about healthcare coverage.
| Characteristics | Values |
|---|---|
| Age | In most states, older people pay more for health insurance than younger people. The ACA requires that people aged 64 and older be charged no more than three times that of a 21-year-old. Children under 21 have slightly lower premiums, and families with more than three children under 21 will be charged premiums for no more than three children. Vermont and New York are the only states that prohibit age-rating. |
| Income | Eligibility for Medicaid is based on current income. |
| Tobacco use | In most states, insurers can charge people who use tobacco a higher premium (this is called a "tobacco surcharge"). |
| Individual vs. family enrollment | Insurers can charge more for a plan that also covers a spouse and/or dependents. |
| Plan category | There are five plan categories: Bronze, Silver, Gold, Platinum, and Catastrophic. Bronze plans usually have lower monthly premiums and higher out-of-pocket costs when you get care. Platinum plans usually have the highest premiums and lowest out-of-pocket costs. |
| Health status | Insurance companies cannot charge different prices based on health status. All plans must cover treatment for pre-existing conditions from the day the coverage starts. |
| Gender | Insurance companies cannot charge women and men different prices for the same plan. |
| Inflation | Inflation influences premiums. |
| Drug utilization | The increased utilization of weight loss and other specialty drugs influences premiums. |
| COVID-19 | The COVID-19 pandemic has had a zero or near-zero impact on 2025 premiums. |
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What You'll Learn

Age and health status
Regarding age, in most states, older people will pay more for health insurance than younger individuals. The ACA mandates that individuals aged 64 and older can be charged a maximum of three times the rate of a 21-year-old. Children under 21 generally have slightly lower premiums, and families with more than three children under 21 will not be charged premiums for additional children beyond three. Vermont and New York are exceptions to age-based pricing, as these states charge the same premium for adults regardless of age.
The ACA also prohibits insurance companies from denying coverage or charging higher rates based on an individual's health status. All health plans must cover treatment for pre-existing conditions from the day the coverage starts. This provision ensures that individuals with medical conditions or a history of health issues are not discriminated against in terms of insurance rates.
While age and health status influence insurance rates, other factors also come into play. These include the type of plan (Bronze, Silver, Gold, Platinum, or Catastrophic), individual or family enrollment, and additional benefits offered by insurance companies. Furthermore, insurers submit rate filings annually, detailing expected changes for the coming year, which can be influenced by factors such as inflation and the utilization of specialty drugs.
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Tobacco use
The basic rationale for tobacco rating is that tobacco use is a voluntary behavior that increases health costs and can lead to higher-priced coverage. If insurers aren’t allowed to adjust a person’s rates based on tobacco use, they will spread the costs connected with tobacco-related illnesses across the wider population, thereby raising premiums for non-smokers. Additionally, a tobacco surcharge creates a financial incentive for smokers to quit and a disincentive to start, and therefore may lead to healthier behaviors.
However, insurers' flexibility to charge higher rates for tobacco use raises the risk that smokers will be unable to afford coverage and, therefore, will go without it. This danger is particularly acute for lower-income Americans because of the way the health law's premium tax credits are calculated. Evidence suggests that the ACA's tobacco surcharges reduced insurance take-up and did not increase smoking cessation.
It's important to note that misrepresentation of smoking habits may be considered insurance fraud. Depending on the state of residence, dishonesty in answering this question could be a felony, which could result in fines, prison time, and legal fees.
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Individual vs family enrollment
The Affordable Care Act (ACA) was signed into law in 2010 to reduce the cost of health insurance coverage for eligible individuals. The Health Insurance Marketplace Calculator helps determine premiums based on actual exchange premiums in 2025 dollars.
ACA individual and family plans are available on the Health Insurance Marketplace, which is a platform that provides health plan shopping and enrollment services online, via call centers, and in-person. The federal government manages the Health Insurance Marketplace at healthcare.gov, while some states have their own marketplaces for their residents.
ACA individual and family plans must cover ten categories of services, including doctors' services, inpatient and outpatient hospital care, prescription drug coverage, pregnancy and childbirth, and mental health services. Insurers can charge more for a plan that also covers a spouse and/or dependents.
There are five plan categories: Bronze, Silver, Gold, Platinum, and Catastrophic. The categories are based on how the insured and the plan share costs. Bronze plans usually have lower monthly premiums and higher out-of-pocket costs when you get care. Platinum plans usually have the highest premiums and lowest out-of-pocket costs.
ACA Marketplace insurers employ strategies to manage the utilization of certain drugs, such as prior authorization, step therapy, and quantity limits. Some insurers have mentioned the increased utilization of weight loss and specialty drugs as influencing premiums.
ACA enrollment typically ends in November during the Open Enrollment period. However, individuals may qualify for a Special Enrollment Period if they have experienced a significant life change, such as marriage, having a baby, divorce, or the death of a family member.
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$104.22 $112.78

Plan category
There are five plan categories: Bronze, Silver, Gold, Platinum, and Catastrophic. The categories are based on how you and the plan share costs. For example, under the premium tax credit, you may pay between 0% and 8.5% of your income for a Silver plan premium, and anything above that is paid by the government. You can use your premium tax credit to purchase any Marketplace plan, including Bronze, Gold, and Platinum plans.
The Health Insurance Marketplace Calculator provides estimates of health insurance premiums and subsidies for people purchasing insurance on their own in health insurance exchanges (or "Marketplaces") created by the Affordable Care Act (ACA). With this calculator, you can enter your income, age, and family size to estimate your eligibility for subsidies and how much you could spend on health insurance.
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State-based variations
Secondly, state-based variations exist in the age-based premiums charged by insurers. While the ACA mandates that older individuals cannot be charged more than three times the rate of a 21-year-old, states like Vermont and New York prohibit age-rating altogether, ensuring that all adults pay the same premium regardless of age.
Thirdly, state-specific factors influence the impact of tobacco use on insurance rates. In most states, insurers can implement a "tobacco surcharge," charging tobacco users a higher premium. However, certain states, like California, Massachusetts, and New York, prohibit private health plans from imposing higher premiums based on tobacco use.
Additionally, state-level factors contribute to variations in the availability and costs of specific health plans. For example, the Health Insurance Marketplace Calculator provides state-specific premium rates, but actual premiums may differ based on plan availability within a particular zip code or county. Furthermore, while the ACA mandates that certain essential health benefits must be covered, states can influence how much these factors affect premiums and may offer additional benefits that impact costs.
Lastly, state-based variations in the utilization of specific drugs and treatments can influence premium rates within each state. For instance, the growing demand for GLP-1 drugs, such as Ozempic and Wegovy, has been cited by insurers in some states as a contributing factor to premium increases.
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Frequently asked questions
ACA insurance rates are influenced by a variety of factors, including age, location, tobacco use, and the number of dependents.
Insurance companies cannot deny coverage or charge higher rates based on health status or pre-existing conditions. However, age is a factor, and older individuals typically pay more for health insurance than younger ones. The ACA mandates that people aged 64 and older are charged no more than three times the rate of a 21-year-old.
Yes, tobacco use can impact insurance rates. In most states, insurers are permitted to charge higher premiums to individuals who use tobacco, although there are variations in the extent of these "tobacco surcharges" across states.
ACA insurance rates can vary by zip code or county. Additionally, each state's Marketplace has its own enrollment instructions and premium changes, with some states prohibiting age-rating, resulting in uniform premiums for adults regardless of age.
The average ACA plan costs vary with age. For a 30-year-old, it is $483 monthly, while a 40-year-old pays $544, and a 50-year-old pays $760.











































