At the end of December, 47.7 percent of Japan's 90 million mobile users were on 3G networks. KDDI Corp., the country's second-largest mobile operator, has led the trend with about 95 percent of its customers on 3G, while No. 1 NTT DoCoMo Inc. ended the month with 40 percent of its 50.4 million customers on its 3G network.
In South Korea, the dominant mobile operator SK Telecom Co. Ltd. has also signed up about 40 percent of its customers to its 3G network.
Hong Kong's Hutchison Whampoa Ltd., which operates 3G networks in markets such as Britain, Australia, Hong Kong and Sweden, said in October that it had more than 10 million 3G subscribers worldwide.