Prime Minister Sir Keir Starmer paid £54,718 in income tax in 2023/24, according to a document released by the government.
A summary shows he paid the tax on £152,225 of income in the financial year ending 5 April 2024, a period when Labour was in opposition.
Sir Keir received most of his income from his role as an MP and smaller amounts from book royalties and £5,174 of interest on money in a savings account.
Chancellor Rachel Reeves and Deputy Prime Minister Angela Rayner have also published summaries of their tax affairs for the same year.