What "age of consent" actually means
It's the minimum age at which the law considers someone capable of legally consenting to sexual activity. Below that age, the law doesn't recognize consent as valid regardless of what was actually said or agreed to between the people involved — the legal question isn't about whether someone said yes, it's about whether they were old enough for that yes to count.
Why there's no single number
In the U.S., age of consent is set at the state level, not federally, and generally falls somewhere between 16 and 18 depending on the state — there's no one number that applies nationwide. Internationally it varies even more widely by country. Assuming your state's number (or a number you've seen quoted online) applies somewhere else is a common and genuinely risky mistake.
Close-in-age exemptions exist, but vary a lot
Some states have "close-in-age" exemptions — sometimes called Romeo and Juliet laws — that apply when both people are near the age threshold with a small gap between them. What counts as a qualifying gap, and whether an exemption exists at all, differs significantly by state. This is genuinely not something to assume covers a specific situation without checking the actual statute.
Canada: one number nationwide, not by province
Canada works differently from the U.S. here, and it's a common point of confusion: criminal law in Canada is exclusively federal jurisdiction, not provincial. The age of consent comes from the federal Criminal Code of Canada, so it's the same number in Ontario, Quebec, British Columbia, Alberta, and every other province and territory — there's no province-by-province table to look up, unlike U.S. states.
| Situation | Age |
|---|---|
| General age of consent, nationwide | 16 |
| Close-in-age exception: 14–15 year old with a partner | Legal if the partner is less than 5 years older |
| Close-in-age exception: 12–13 year old with a partner | Legal if the partner is less than 2 years older |
| Relationship of trust, authority, or dependency (teacher, coach, guardian, etc.) | 18, regardless of the general age above |
| Exploitative relationship (involves prostitution, pornography, or another form of exploitation) | 18, regardless of the general age above |
Why this is more than a legal technicality
The age threshold exists because the law recognizes that capacity to meaningfully consent — understanding what's being agreed to and having the power to say no without consequence — develops with age and isn't just about physical maturity. Power dynamics, including significant age gaps or positions of authority (a teacher, coach, or employer, for example), can affect the legal picture separately from age alone in many jurisdictions.
Where to actually check
In the U.S., your state's official legislature or attorney general's website is the most reliable source for the exact current law where you live — statutes get updated, and a number quoted in an old article or forum post isn't guaranteed to still be accurate. National organizations like RAINN maintain resources on state-by-state sexual assault and consent laws that are worth cross-referencing if you want a starting point before going to the primary source. In Canada, the Department of Justice's age of consent FAQ is the primary, current source, and covers the exceptions above in more legal detail than fits here.
Frequently asked questions
Is the age of consent the same everywhere?
No. In the U.S. it varies by state, generally somewhere between 16 and 18, and it varies more widely by country internationally. There's no single correct number — the specific law where you and the other person live is what actually applies.
What if there's a small age gap and one person is close to the threshold?
Some states have "close-in-age" exemptions (sometimes called Romeo and Juliet laws) for small gaps between partners near the age threshold, but these vary significantly in what they cover and whether they apply at all. This isn't something to assume covers a specific situation without checking the actual law.
Does turning 18 change the rules for who you can be with?
Turning 18 doesn't retroactively make a relationship that started before that age legal, and laws about an adult's involvement with someone under the age of consent apply regardless of the adult's own age. This is genuinely a "check the specific law" situation, not a general rule of thumb.
Does the age of consent vary by province in Canada?
No. Unlike the U.S., criminal law in Canada is exclusively federal jurisdiction, so the age of consent is set nationally at 16 by the Criminal Code of Canada and is identical in every province and territory. Close-in-age exceptions apply for 14-15 year olds with a partner less than 5 years older and 12-13 year olds with a partner less than 2 years older, and the age rises to 18 in relationships of trust, authority, dependency, or exploitation.
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