The last single prime minister of a country depends on the specific country you're asking about. There have been many single prime ministers throughout history, and it's important to specify which country you're interested in.
For example:
- The United Kingdom: The last single prime minister was Theresa May, who served from 2016 to 2019.
- Canada: The last single prime minister was Stephen Harper, who served from 2006 to 2015.
- Australia: The last single prime minister was Tony Abbott, who served from 2013 to 2015.
To answer your question accurately, please specify the country you're interested in.
