Japan's current account surplus shrank to 501.1 billion yen ($3.8 billion) in April, the Finance Ministry said Wednesday.
Among key components, the country had a goods trade deficit of 688.4 billion yen and a services trade deficit of 965.3 billion yen, according to preliminary data released by the ministry.
Primary income, which reflects returns on overseas investments, posted a surplus of 2.4 trillion yen.
