Kane Williamson (NZ) and Steven Smith (AUS) have the highest-averaging batting and bowling scores so far during the 2019 Cricket world cup.
Whilst at a team level, we have seen a mixed-bag of performances, with some exceeding expectations and others failing to deliver.

As with any world cup cricket match, you will always see one-off exceptional or dire performances, but a better reflection on player form and consistency is through their averages. Below are the current top 10 bowlers and batters by their average score.

ICC World Cup Batting Averages

ICC World Cup Bowling Averages

 

Going by the scores listed on the BBC, https://www.bbc.co.uk/sport/cricket/world-cup/averages