MACAO, May 23 (Xinhua) -- Visitor arrivals to Macao totaled 3.43 million in April, up by 15.9 percent year-on-year, the special administrative region (SAR)'s statistic service said here on Thursday.

The latest report from the Statistics and Census Service (DSEC) indicated that the overnight visitors rose by 5.4 percent year-on-year to 1.62 million, while same-day visitors surged by 27.4 percent to 1.81 million.

The average length of stay of visitors shortened by 0.1 day year-on-year to 1.1 days, with that of overnight visitors (2.2 days) and same-day visitors (0.2 day) remaining unchanged.

The DSEC report added that the visitors from the Chinese mainland increased by 13.5 percent year-on-year to 2.34 million, mainly from Guangdong province and Hunan province. Visitors from South Korea (61,573), Hong Kong SAR (696,902) went up by 0.8 percent and 30.0 percent respectively year-on-year.

Analyzed by mode of transport, the visitor arrivals by land surged by 45.4 percent year-on-year to 2.53 million in April, with 1.76 million arriving through the Border Gate and more than half a million via the Hong Kong-Zhuhai-Macao Bridge.

Meanwhile, the visitor arrivals by air grew by 18.4 percent year-on-year to 314,870, whereas those by sea declined by 38.6 percent to 586,431.

In the first four months of 2019, visitor arrivals reached 13.79 million, up by 19.9 percent year-on-year.