This is the latest global soccer table ranking release by football analysts of FiveThirtyEight. The football analysts used a evaluation metrics called SPI
Soccer Power Index to evaluate football clubs based on their attacking and defensive rating, hence they combine these two rating to get an average score and rank how clubs would likely win against an average team on a neutral ground
From the screenshot of the current table ranking Liverpool fc is just behind Man City sitting in number 1 position and just behind the bundesliga giant Bayern Munich. Barcelona is occupying the 4th position while PSG is in number 5th position.