During the April-June period, more than 1.9 million New Zealanders either had a dedicated subscription via a mobile phone, or used a mobile phone at some time to access the internet.

Of those 1.9 million, ten percent had specific data subscriptions, purchased separately to voice, via their ISP. The vast majority accessed the mobile internet via standard mobile subscriptions.

"This reflects the developments in internet-accessible devices such as tablets, pocket wi-fi and smartphones", Statistics NZ ICT statistics manager Jean Watt says in a statement.

Other figures from the ISP survey include:

* Broadband subscriber numbers increased 14 percent, to 1.5 million, between June 2010 and June 2011;