The latest data illuminates the extent to which the Trump administration has struggled to fill jobs as it heads into its fourth year on Monday. Of the 714 key positions requiring Senate confirmation, 515 of them have a confirmed nominee in place — with 170 positions having no nominee, according to the latest tracking from the partnership.

White Houses typically do not get many nominees confirmed in the fourth year of any presidency apart from Cabinet positions, if needed, and judicial nominations. The Trump administration is likely to be no different and is aware of this fact, one White House official said.

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Instead, the Trump White House is focusing its attention on staffing for a potential second term and the steps the administration needs to take on nominations and confirmations, the official added — even though the same aide stressed that no one is yet drawing up lists with potential names.

The White House press office did not respond to a request for comment.

Administrations tend to have the most success in filling Senate-confirmed jobs in the first and fifth years of any administration, according to the partnership data.