Most are formally non-restricted Type 84 and type 56 imported by lever in the 80s/90s
They were imported by several big companies, including International Firearms and Century.
Mostly from China. Also RPKs. There were a few Egyptian Maadis previously, but these were few and far between and costly, as they had to come up from the States.
From the early 1980s, China began exporting semi automatic AK clones to the United States. Mostly in 5.56 as there wasn't much 7.62X39 on the market, but as surplus 39 became available - more 7.62 AKs began to be exported.
By the late 1980s, both guns and ammo were cheap like borscht in both the USA and Canada.
In the US, they could be imported in their standard form, 16" Bbl which made them legal and exempt from the SBR rules. Those were "restricted" in Canada, until Alan Lever contracted the Chinese for a 19" Bbl on Canadian import AKs, making them "non restricted".
They were "restricted" by name and variant under Kim Campbell's Bill C-17 in 1992 with a bunch of other military style semi autos, which meant they had to be registered like handguns.
They were prohibited in 1995 under Allan Rock and the Liberals Bill C-68. The government would never register and then ban your gun, right?
There are 4000 semi auto AK variants that were registered in the short period the government allowed for registration when they were restricted in 1992, and there are 4000 grandfathered to their registered owners under 12(5) of the Firearms Act.
4000 semi auto AKs on the Canadian firearms registry.
There were probably six times that imported into Canada from the early 1980's until the gun control legislation of the 1992 - 1995 period.
I wonder where they all went?
The rarest AKs imported into Canada, besides the actual Soviet and East Block select fire models, are the import of converted auto Russian AK 74s in 5.45 from around 1990.