Hello aspirant!

UK-
Oldest and most prestigious universities in the world, with its university system influencing several the world over.
Some of its top universities for international students include University College London, ranked 8th worldwide, the University of Edinburgh, ranked 20th, the University of Manchester, ranked 27th, King’s College London, ranked 33rd, and the University of Warwick, ranked 62nd.
Subjects that are in greatest demand among international students include Business (i.e. MBA), Natural Sciences (particularly Biological sciences), Engineering, Medicine (particularly dentistry, pharmacy and nursing), and the Social Sciences (particularly Psychology).

CANADA-

Its top 5 include the University of Toronto, ranked 29th, McGill University, ranked 35th, University of British Columbia, ranked 51st, University of Montreal, ranked 137th, and McMaster University, ranked 147th.
The subjects that are in greatest demand among international students include Business (i.e. MBA), Computer Science and Information Technology, Engineering (including Engineering management), Physical and Earth Sciences (with an emphasis on renewable energy), and Forestry and Agricultural Sciences.
Canada has the benefit of lower overall costs of study and living, and has long provided international students with flexible post-study work opportunities.

Hello aspirant,

Hope you are doing well

UK and canada are equally good in their own ways

But before you decide you need to check the colleges , residential fee etc

Now a days students are preferably moving to canada

Ultimately it's your choice

Hope this helps you

All the best!