Sexual assault and sexual interference are not interchangeable offences in Canada. They can arise from the same incident, and in some cases, both charges may be laid, but they are legally distinct. Sexual assault is the broader offence: it focuses on non-consensual sexual touching and can apply regardless of the complainant’s age. Sexual interference is narrower: it applies only where the complainant is under 16, and the Crown alleges touching for a sexual purpose. That distinction matters because it changes what the prosecutor must prove, whether consent can even be argued, what age-related rules apply, and how a defence lawyer assesses the case.
If a client asked this question in a consultation, the clearest answer would be this: sexual assault is built around the absence of legally valid consent, while sexual interference is built around the age of the complainant and the presence of a sexual purpose. Once the complainant is under 16, the law becomes much stricter, and the usual “but it was consensual” argument may be unavailable except in narrow close-in-age situations set out in section 150.1 of the Criminal Code.
Key takeaways
- Sexual assault under section 271 is a broad offence covering non-consensual sexual touching.
- Sexual interference under section 151 applies only where the complainant is under 16, and the touching was for a sexual purpose.
- A person can be charged with both offences arising from the same allegations. That depends on the age of the complainant and the Crown’s theory of the case.
- Consent is central to sexual assault law, but for complainants under 16 it is generally not a defence unless a close-in-age exception applies.
- A mistake about age is not automatically a defence. The accused must have taken all reasonable steps to ascertain age in the situations covered by section 150.1.
- Convictions can lead to jail, a criminal record, and a sex offender registration order under the Criminal Code and SOIRA framework.
What is sexual assault in Canada?
Sexual assault is set out in section 271 of the Criminal Code. The Code does not provide a separate definition listing every possible act. Instead, sexual assault is understood through the assault provisions and the consent provisions: assault includes the intentional application of force without consent, and sections 271 to 273 deal with the sexual forms of that conduct. In practical terms, the issue is whether the touching was sexual in nature and whether the complainant voluntarily agreed to the sexual activity in question. Consent must exist at the time of the activity.
That is why a sexual assault charge can apply in cases involving adults, teenagers, or children. The complainant’s age does not determine whether the offence is sexual assault. Age becomes critically important because it affects whether consent is legally possible and whether additional offences, such as sexual interference, may also apply.
The Criminal Code also creates more serious related offences. Section 272 covers sexual assault with a weapon, threats to a third party, bodily harm, choking, suffocation or strangulation, or acting with another person. Section 273 covers aggravated sexual assault, where the complainant is wounded, maimed, disfigured, or their life is endangered.
What is sexual interference in Canada?
Sexual interference is a separate offence under section 151. It applies where a person, for a sexual purpose, touches directly or indirectly, with a part of the body or with an object, any part of the body of a person under the age of 16 years. This section is narrower than sexual assault in one sense and stricter in another. It is narrower because it applies only to complainants under 16. It is stricter because the law is designed specifically to protect young persons below the general age of consent.
The phrase “for a sexual purpose” matters. It means the Crown is not merely proving contact. It must prove the sexual character or purpose of the touching in the full context of the case. That legal structure is one of the main differences between a sexual assault prosecution and a sexual interference prosecution.
Sexual assault vs Sexual interference
| Issue | Sexual assault | Sexual interference |
|---|---|---|
| Criminal Code section | s. 271 | s. 151 |
| Complainant’s age | Any age | Under 16 only |
| Core allegation | Sexual touching without legally valid consent | Touching a person under 16 for a sexual purpose |
| Is consent relevant? | Yes, often central | Generally no, unless a close-in-age exception applies |
| Mistake of age | Can be limited by s. 150.1 where complainant is under 16 | Limited by s. 150.1 |
| Maximum penalty | Up to 10 years, or 14 years if complainant under 16 | Up to 14 years |
| Minimum punishment | Applies if complainant is under 16 | Applies |
| SOIRA / sex offender order | Possible | Possible |
The sentencing details above reflect the current Justice Laws text of sections 271 and 151.
Can both charges be laid at the same time?
Yes. These charges are not mutually exclusive. If the complainant is under 16, the Crown may allege both that there was non-consensual sexual contact amounting to sexual assault and that the same conduct amounted to touching for a sexual purpose under section 151. Whether both charges are laid will depend on the evidence, the age of the complainant, and how the Crown frames the facts.
From a defence perspective, this matters because the two offences do not rise and fall on exactly the same legal analysis. A case can involve disputes about whether the touching happened at all, whether it was sexual, whether the complainant could legally consent, whether a close-in-age exception applies, and whether the Crown can prove the required sexual purpose.
Why does the law treat these offences differently
For sexual assault, consent is defined in section 273.1 as the voluntary agreement of the complainant to engage in the sexual activity in question, and it must be present at the time the activity takes place. Section 273.2 also limits the “honest but mistaken belief in consent” defence. It is not available where the belief arose from self-induced intoxication, recklessness, wilful blindness, or from circumstances where no consent is obtained in law.
For sexual interference, the analysis is different. Section 150.1 says that when the charge is under section 151, consent is not a defence if the complainant is under 16, subject to specific exceptions. In other words, even if the younger person agreed in fact, the law may still treat the activity as non-consensual in law because the person was below the legal threshold.
When can consent still matter in under-16 cases?
The answer is in the close-in-age exceptions in section 150.1. These are narrow and technical. They are not broad permission rules for any teenage relationship.
Close-in-age exceptions table
| Age of complainant | Exception may apply if | Additional limits |
|---|---|---|
| 12 or 13 | Accused is less than 2 years older | No trust, authority, dependency, or exploitative relationship |
| 14 or 15 | Accused is less than 5 years older | No trust, authority, dependency, or exploitative relationship |
These exceptions are written into section 150.1. The same section also makes clear that mistake of age is not available unless the accused took all reasonable steps to ascertain age.
This is one of the biggest practical differences between sexual assault involving adults and sexual interference involving minors. In an adult sexual assault case, the defence may focus heavily on consent or the accused’s state of mind about consent. In a sexual interference case, the defence often turns instead to whether the offence elements are actually made out, whether the sexual purpose is proven, whether the complainant’s age places the case within section 151, and whether any statutory exception truly applies.
Common defence issues in these cases
No article can promise outcomes, because these cases are intensely fact-specific. But legally, the defence issues are often different for each offence.
In a sexual assault case, common defence issues may include whether the alleged touching happened, whether it was sexual in nature, whether the Crown can disprove consent beyond a reasonable doubt where consent is legally available, and whether the accused’s statements, texts, or interview evidence were obtained lawfully. The law on consent is tightly structured, so a defence has to fit the statutory framework in sections 273.1 and 273.2.
In a sexual interference case, common issues include whether the touching was intentional, whether it was for a sexual purpose, whether the complainant was under 16 at the relevant time, whether a close-in-age exception can legally apply, and whether the accused took all reasonable steps to determine age if mistake of age is being raised.
What the Code actually says
Section 271 currently provides that sexual assault is punishable by up to 10 years on indictment, or up to 14 years if the complainant is under 16, with a minimum punishment of one year in that under-16 indictable scenario. On summary conviction, the maximum is 18 months, or up to two years less a day if the complainant is under 16, with a minimum of six months in that under-16 summary scenario.
Section 151 provides that sexual interference is punishable by up to 14 years on indictment with a minimum punishment of one year, or on summary conviction by up to two years less a day with a minimum punishment of 90 days.
Where more serious sexual assault provisions are engaged, section 272 and section 273 expose the accused to even more severe sentencing consequences, including life imprisonment in the aggravated sexual assault context.
Sex offender registration and record consequences
A conviction for either offence can trigger a sex offender registration order under section 490.012 of the Criminal Code, which links to the Sex Offender Information Registration Act. The current law requires an order in a range of circumstances and otherwise directs the court to make one unless the statutory exemption is established.
The duration of the obligation depends on the statutory framework. Under the current Criminal Code scheme, orders can run for 10 years, 20 years, or life depending on the offence structure and other factors set out in section 490.013 and related provisions.
There is also a long-term criminal record issue. The Criminal Records Act includes a Schedule 1 list of child-sex offences, including section 151 sexual interference, section 152 invitation to sexual touching, and section 153 sexual exploitation. That matters because those convictions raise major record suspension limits.
“Sexual assault and sexual interference are often spoken about as if they were the same charge, but legally they are not. The complainant’s age, the issue of consent, and the Crown’s ability to prove sexual purpose can completely change the defence strategy from the outset.” – Benson Wilson’s official Vilkhov Law
Key Legal Differences and Why They Matter in Practice
The legal difference between sexual assault and sexual interference in Canada is not semantic. It affects the essential elements of the offence, the role of consent, the age-of-consent rules, the available defences, and the sentencing exposure. Sexual assault is the broader consent-based offence. Sexual interference is the child-specific sexual-touching offence that applies where the complainant is under 16 and the touching was for a sexual purpose. In some prosecutions, both charges may be laid together.
For a client, the safest takeaway is this: never assume these allegations can be understood from the charge name alone. The exact age of the complainant, the timing, the texts, the surrounding context, and the statutory wording all matter. These are high-stakes charges, and the legal analysis has to be precise from the beginning.
When facing charges of sexual assault and sexual interference, it is essential to retain a professional criminal lawyer as soon as possible. A qualified legal professional can make all the difference in criminal proceedings and ensure the most favourable outcome. At Vilkhov Law, our criminal defence team works tirelessly to evaluate all the evidence against our clients, assess its strengths and weaknesses, and build a robust legal defence. If you are facing charges of sexual assault or sexual interference in Toronto, contact Vilkhov Law today for a free and confidential consultation about how we can help in your case.
FAQ
What is the main difference between sexual assault and sexual interference in Canada?
Sexual assault is the broader offence dealing with non-consensual sexual touching. Sexual interference is a specific offence that applies only where the complainant is under 16, and the touching was for a sexual purpose.
Can someone be charged with both sexual assault and sexual interference?
Yes. If the complainant is under 16, the Crown may lay both charges based on the same alleged conduct.
Is consent a defence to sexual interference?
Usually no. Section 150.1 says consent is generally not a defence in section 151 cases involving complainants under 16, except in narrow close-in-age situations.
What are the close-in-age exceptions?
For a complainant aged 12 or 13, the accused must be less than two years older. For a complainant aged 14 or 15, the accused must be less than five years older. In both situations, there must be no trust, authority, dependency, or exploitative relationship.
What is the penalty for sexual interference in Canada?
Section 151 currently provides a maximum of 14 years on indictment with a minimum punishment of one year, or up to two years less a day on summary conviction with a minimum punishment of 90 days.
Can a conviction lead to sex offender registration?
Yes. A conviction can lead to a sex offender registration order under section 490.012 and the SOIRA regime.
What if the accused says they thought the complainant was older?
That is not automatically a defence. Section 150.1 limits mistake-of-age arguments unless the accused took all reasonable steps to ascertain age.
