By Ronnie Harui

SINGAPORE--Singapore's non-oil domestic exports rose 7.7% from a year earlier in August, mainly driven by non-electronics goods.

The result was above the median estimate of 12 economists surveyed by The Wall Street Journal for a 3.05% increase. Non-oil domestic exports had risen 5.9% in July.

Exports of electronics climbed 5.7% in August after expanding 2.8% in July, while non-electronics shipments grew 8.3% in August following a 6.9% increase in July, Enterprise Singapore said Thursday.

For exports of non-electronic products, non-monetary gold surged 55.1%, specialized machinery jumped 25.7% and pharmaceuticals climbed 5.6% in August.

Shipments to China rose 24.5% in August after falling 5.4% in July, while exports to the European Union climbed 30.2% in August compared with 8.8% decline in July.

Exports to the U.S. increased 14.1% in August after soaring 98.7% in July, while shipments to Taiwan rose 18.5% in August compared with 18.7% growth in July.

Measured on month, exports rose 10.5% in seasonally adjusted terms in August, after gaining 1.2% in July. Eight economists surveyed by The Wall Street Journal had a median projection for a 1.1% expansion.

Write to Ronnie Harui at ronnie.harui@wsj.com