Even US and Canada no-till farming is still around 20-30%. It higher than Europe because of more intense use of herbicides and different farming practices.

https://www.usda.gov/media/blog/2017/11/30/saving-money-time...

Wider use of crop rotation, GMO, farming robots and micro-irrigation might reduce the need for tilling but it is still very far of. Farming is heavily subsidized but still not very profitable. Margins are small and no-till methods are not economically viable for most places.