Murdoch is more liberal than his father, having initially supported left-wing Democrat Pete Buttigieg in the 2020 presidential election. It was later reported in mid-July 2020 that he and his wife Kathryn have given over $1 million to the Biden campaign.
- Murdoch to hand reins of 21st Century Fox to sons, Financial Times
- Burke, Michael (April 15, 2019). Rupert Murdoch's son among donors to Buttigieg campaign. The Hill. Retrieved April 15, 2019.
- Caplan, Joshua (April 16, 2019). 2020: James Murdoch Gives Maximum Donation to Pete Buttigieg’s Campaign. Breitbart News. Retrieved April 16, 2019.
- James Murdoch, Wife Give $1.23 Million to Biden Campaign