Hong Kong recorded a 13 per cent year-on-year increase in mainland Chinese visitors on the first day of the “golden week” Labour Day holiday, with more than 300,000 inbound trips made throughout the day.

Meanwhile, the number of Hongkongers leaving the city on Friday also surged by 45 per cent compared with last year, reaching more than 430,000 outbound journeys.

Immigration statistics on Saturday showed 1.32 million cross-border trips were made on the first of the mainland’s five-day holiday,...