The hardest programs to get into in Canadian universities vary depending on the institution, but some of the most competitive programs include:

Medicine: Medicine is one of the most competitive programs to get into in Canada, with acceptance rates typically below 10%. Applicants must have excellent academic credentials, as well as strong MCAT scores and letters of recommendation.

Law: Law is another highly competitive program, with acceptance rates typically below 20%. Applicants must have strong academic credentials, as well as LSAT scores and letters of recommendation.

Engineering: Engineering is a popular and competitive field of study in Canada, with acceptance rates typically below 30%. Applicants must have strong academic credentials, as well as high school calculus and physics courses.

Business: Business is another popular and competitive field of study in Canada, with acceptance rates typically below 40%. Applicants must have strong academic credentials, as well as extracurricular activities and leadership experience.

Computer Science: Computer Science is a rapidly growing field of study in Canada, with acceptance rates typically below 50%. Applicants must have strong academic credentials, as well as programming experience and problem-solving skills.

Other competitive programs include:

Nursing: Nursing is a highly respected and in-demand profession in Canada. Acceptance rates for nursing programs typically range from 20% to 50%, depending on the institution.

Pharmacy: Pharmacy is another health profession that is in high demand in Canada. Acceptance rates for pharmacy programs typically range from 10% to 30%, depending on the institution.

Veterinary Medicine: Veterinary Medicine is a specialized field of medicine that deals with the care and treatment of animals. Acceptance rates for veterinary medicine programs typically range from 5% to 10%, depending on the institution.

Architecture: Architecture is a creative and challenging field of study that requires strong problem-solving and design skills. Acceptance rates for architecture programs typically range from 20% to 40%, depending on the institution.

Fine Arts: Fine Arts is a broad field of study that encompasses painting, sculpture, photography, and other creative disciplines. Acceptance rates for fine arts programs vary widely depending on the institution and the specific program.

It is important to note that these are just a few of the many competitive programs available at Canadian universities. Other programs that may be competitive include programs in the arts, sciences, and humanities.

If you are interested in applying to a competitive program, it is important to start planning early. This means researching different programs, preparing your application materials, and getting good grades in your high school classes. You may also want to consider taking standardized tests such as the MCAT, LSAT, or GMAT.

With careful planning and preparation, you can increase your chances of being accepted into your dream program.