Results of 2011 Communication Usage Trend Survey

Outline of survey

  The Communication Usage Trend Survey targets households (whole households and their individual members) and businesses, and has been conducted every year since 1990 (the business survey was added in 1993 and has been conducted every year since then excluding 1994, while the survey of household members has been conducted since 2001) as a general statistical survey based on the Statistics Act (Act No.53 of 2007). The household survey has been conducted in each prefecture since 2010.

Outline
	Household survey	Business survey
Survey period	January ~ February 2012
Areas surveyed	Nationwide
Range of attributes and survey units	Households and their members where there is the head of the household above 20 years of age (As of April 1, 2011)	Businesses with more than 100 permanent employees (excluding agriculture, forestry, fishing and mining industries, as well as public businesses)
Number of samples (Number of valid distributions)	40,592 households (40,042 households)	5,140 businesses (4,602 businesses)
Number of valid replies (percentage)	16,580 households (47,158 persons) (41.3%)	1,905 businesses (41.4%)
Survey matters	State of use of communications services, possession of information and communications devices, etc.
Survey method	Distribution and collection of questionnaires via mail