International visitor spending has increased by almost a third in the last year.

The government's latest figures show just under $10b was spent by foreign tourists in 2015.

Significant growth is being seen in the China market, which is up 63%.

United States residents are also making their mark on New Zealand soil, with a 40% jump in spending to $1b.

Australia remains New Zealand's largest international visitor market, and is also up with 19% growth.