Every country has no extradition treaties with the.
Ukraine
Australia
Canada
I think most developed countries have treaties setup with all other countries. These treaties can be for business, bilateral ties, criminal extradition etc.
Maybe IRAN!!
Taiwan.
India maintains extradition treaties with about 30 other countries.
Rather than list the countries that DON'T have extradition treaties with Canada the link below will list all the countries that DO have extradition treaties with Canada.You may compare this list against all the other nations of the world and make your own list.See below link:
Extradition treaties.
Czech republic
According to the Wikipedia article "Extradition law in the United States", Indonesia is one of about fifty countries that do not have an extradition treaty with the U.S. - Indonesia does not have an extradition treaty with the United States for most crimes, however they do allow extradition to the US for drug smuggling or other drug-related crimes.