
Open enrollment is an annual period, typically in the fall, when individuals can enroll in a new health insurance plan, adjust their current plan, or cancel their plan. The exact dates vary, but open enrollment usually falls between November 1 and January 15. Coverage usually begins on January 1 for those who enroll by December 15 and pay their first premium by the due date specified by their plan. If you enroll after December 15, your coverage will typically begin on February 1. It's important to note that some life changes, such as getting married, having a baby, moving, or losing health coverage, may qualify you for a Special Enrollment Period outside of the open enrollment timeframe, allowing you to make changes to your health insurance plan.
| Characteristics | Values |
|---|---|
| Open Enrollment Period | November 1 - January 15 each year |
| Coverage Start Date | January 1, if enrolled by December 15 |
| Coverage Start Date | February 1, if enrolled between December 16 and January 15 |
| Special Enrollment Period | Outside of Open Enrollment, due to a qualifying life event |
| Annual Enrollment Period (AEP) | October 15 to December 7 |
| Medicare Changes | Can be made once per quarter from January to September |
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What You'll Learn
- If you get insurance through work, your employer sets the open enrollment period
- Annual open enrollment usually occurs in the fall
- Coverage typically begins on January 1
- If you enroll after December 15, your coverage will begin on February 1
- You can apply for free or low-cost coverage through a Special Enrollment Period

If you get insurance through work, your employer sets the open enrollment period
Open enrollment is an annual period when individuals can make changes to their health insurance coverage or enroll in a new plan. It typically occurs in the fall, so that coverage can begin at the start of the new year. If you get health insurance through your employer, they will set the open enrollment period.
For those who are covered through their employer, the Health Insurance Marketplace, Medicare, or another type of plan, the open enrollment period is an opportunity to evaluate your needs and ensure your plan provides the best coverage possible. It is important to take the time to explore your options and decide on the coverage that is best for you before enrolling.
During open enrollment, you may be automatically re-enrolled in your current plan for the following year. If you do not want this to happen, you must take action before the deadline, which is typically December 15. You can log into your Marketplace account, select your current application, and cancel your re-enrollment. If you miss this deadline, you can still log in by December 31 to stop the coverage.
If you are on a Medicare plan, it is important to review the availability of any new plan options or insurance companies during open enrollment. You should check whether the terms for extra benefits have changed, such as dental, vision, food, wellness programs, non-emergency transportation, or home modification. Additionally, assess whether changes to your income, resources, or household size have occurred, as this may impact your eligibility for Medicare Extra Help or the Medicare Savings Program.
If you miss the open enrollment period, you may have to wait until the next one to make any changes. However, there are Special Enrollment Periods outside of the typical open enrollment timeframe. These are usually available if you have experienced a qualifying life event, such as getting married, having a baby, moving, or losing health coverage.
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Annual open enrollment usually occurs in the fall
If you enroll in a private health insurance plan by December 15 and make your first premium payment by the specified due date, your new health coverage will typically start on January 1 of the following year. This is also the case for automatic re-enrollment, where you will be automatically re-enrolled in a plan for the next year if you do not take action by December 15. However, if you enroll after December 15, your coverage will generally begin on February 1.
For those who enroll in or change plans between December 16 and January 15 and pay their first premium, their coverage will start on February 1. Additionally, some special circumstances may allow individuals to enroll outside of the open enrollment period. For example, certain life changes or qualifying events, such as getting married, having a baby, moving, or losing health coverage, may make individuals eligible for a Special Enrollment Period.
While annual open enrollment typically occurs in the fall, it is always a good idea to stay informed about specific dates and deadlines. Individuals should refer to official government websites or their employer for the most accurate and up-to-date information regarding open enrollment periods and any changes to their health insurance coverage. Staying informed helps individuals make timely decisions and ensure they have the best coverage possible for their needs.
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Coverage typically begins on January 1
The open enrollment period is an annual window of time, typically in the fall, when you can sign up for health insurance, adjust your current plan, or cancel your plan. It is usually limited to a few weeks. If you miss this period, you may have to wait until the next open enrollment period to make any changes.
During open enrollment, you can explore different health insurance options and decide on the coverage that best suits your needs. It is important to take advantage of this period to make any necessary changes to your plan, even if you are satisfied with your current coverage. Some plans may change their policies from year to year, so it is worth checking and comparing the available options.
If you are automatically re-enrolled in a plan, your coverage will also typically start on January 1. However, if you do not want that plan, you can log into your Marketplace account and select the "stop coverage" button by December 15 to cancel your re-enrollment for the following year. You can still change plans until the end of the Open Enrollment period, which typically ends on January 15, and your new coverage will start on February 1.
Additionally, if you qualify for a Special Enrollment Period due to a qualifying life event, such as getting married, having a baby, moving, or losing health coverage, you may be able to enroll in or change your plan outside of the open enrollment period.
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If you enroll after December 15, your coverage will begin on February 1
If you're signing up for a new health insurance plan, it's important to be aware of the open enrollment period. This is a window of time that typically happens once a year, usually in the fall, when you can enroll in a new health insurance plan, make changes to your current plan, or cancel your plan. While open enrollment is usually limited to a few weeks, the specific dates vary across different providers and states. For example, in most states, open enrollment for Individual and Family ACA Marketplace plans is from November 1 to January 16, while Medicare's Annual Enrollment Period is from October 15 to December 7.
If you enroll in a private health insurance plan during open enrollment, your coverage will typically begin on January 1 of the following year. However, this is provided that you enroll by a certain date, which is usually December 15, and make your first premium payment by the due date specified by your plan. If you enroll after the December 15 deadline, your coverage will generally start at a later date.
For instance, if you enroll in or change plans between December 16 and January 15 and pay your first premium, your coverage will typically begin on February 1. This is applicable if you enroll through HealthCare.gov or in some other states. Therefore, if you missed the deadline for January 1 coverage, you can still ensure that you have health insurance coverage starting from February 1 by enrolling during this period.
It's important to note that if you enroll in a Marketplace plan during a special enrollment period, which occurs outside of the regular open enrollment timeframe, your coverage will typically take effect on the first day of the following month, regardless of whether you made your selection before or after the 15th of the month. This rule was previously applicable only to HealthCare.gov enrollees but has been extended to State-based Marketplace enrollees starting in 2025.
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You can apply for free or low-cost coverage through a Special Enrollment Period
The Open Enrollment Period in the US is from November 1 to January 15 each year. During this period, you can enroll in a private health insurance plan and make your first premium payment by the due date specified in your plan. Your new health coverage will then start on January 1. If you enroll after December 15, your coverage will begin on February 1.
However, you can apply for free or low-cost coverage through a Special Enrollment Period. This is a period outside of Open Enrollment when you can enroll in or change Marketplace plans due to specific life changes or if your household income is below a certain amount.
You may qualify for a Special Enrollment Period if you have experienced certain life events, such as losing health coverage, moving, getting married, having a new baby or dependent, or if your income falls below a certain level. For example, you may qualify if you lose health coverage through your employer or a family member's employer, or if you are no longer considered a dependent. Additionally, if your individual or group health plan coverage year ends in the middle of the calendar year, and you choose not to renew it, you may be eligible for a Special Enrollment Period.
To qualify for a Special Enrollment Period, you must meet certain criteria, and the period typically lasts for 60 days after the qualifying event. During this time, you can sign up for a Marketplace plan, and your coverage will take effect on the first day of the following month, regardless of when you made your selection.
It is important to note that automatic re-enrollment is a standard practice for insurance companies. If you do not want to be automatically re-enrolled in a plan for the next year, you must take action by December 15 to cancel your re-enrollment.
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Frequently asked questions
If you enroll in a private health insurance plan by December 15 and pay your first premium by the due date specified by your plan, your new health coverage typically starts on January 1.
If you enroll after December 15, your coverage will begin on February 1.
A Special Enrollment Period is a period outside of Open Enrollment when you can enroll in or change your Marketplace plan due to a qualifying life event, such as getting married, having a baby, moving, or losing health coverage.
The Annual Enrollment Period (AEP) is a specific enrollment period for Medicare plans, which occurs from October 15 to December 7 every year. During this time, you can join, switch, or drop a Medicare plan.
























