The number of Internet users reached 1 billion in 2005.

2005年，英特网的用户数达到了10亿！

youdao

The number of Internet users in this city almost doubled last year.

本市的因特网用户去年几乎增加了一背。

youdao

Its potential participant base was virtually limitless, bound only by the number of Internet users in the world.

YouTube的潜在客户是无穷的，可能仅仅局限于全世界英特网用户的数量吧。

youdao

The number of Internet users also rose 12.2% in 2010, according to the official data.

BBC: China's microbloggers quadrupled in 2011, report says

The number of Internet users subject to the new system is a sizable chunk of the U.S. population.

NPR: Music, Movie Industry To Warn Copyright Infringers

The report also said that the number of Internet users in rural areas also increased by 8.9% to 136 million.

BBC: China's microbloggers quadrupled in 2011, report says