National Bureau of Economic Research
No.Data Data DescriptionLink1Computer and Internet Penetration(Table 1)The special Internet Use Supplement of the Consumer Population Survey’s (US Census/BLS) periodically surveys about 50,000 households and 129,000 individuals in the U.S. about their computer and internet use. Tables depicting trends by various demographics are also available. Microdata may be available. Device Penetration(Table 2)Pew, a nonprofit, nonpartisan “fact tank,” surveys individuals on a variety of topics. Of particular interest is their Internet and American Life Project. A large number of questions about internet use are asked, though some inconsistently, in their surveys. Raw data is available to researchers. Summary statistics are available as well, split up by adults (18+) and teens (12-17). Penetration Among Mobile Subscribers(Table 3)Comscore uses software voluntarily installed on millions of computers to record consumers’ online activity and purchase behavior. In addition to data for purchase (may be available through Wharton’s WRDS), various statistics can be gleaned from press releases. Spent on Internet(Table 4)Forrester Technographics uses an annual mail survey of approximately 40,000 households, intended to be nationally representative. Data is available for purchase. Service Provider Revenues(Table 5)The U.S. Department of Commerce’s Service Annual Survey collects data on quite a few revenue variables, expenditures variables, etc., from a sample of companies in a variety of sectors. This data is used to generate total industry estimates. Reporting is mandatory, so the response rate is excellent. Due to the privacy concerns of companies reporting, micro data is not available. Annual Expenditures on Internet Access by Consumer Units (Table 6)The U.S. Bureau of Labor’s Consumer Expenditure Survey consists of two surveys – the Quarterly Interview Survey and the Diary Survey. Respondents report their buying habits and expenditures, as well as demographic variables. Micro data is available. Ecommerce Expenditures(Table 11)See the description for in 3. number of Internet hosts (Figure 1)The Internet Systems Consortium Domain Survey reports discovered website hosts (proxy for websites). The free data reports total worldwide hosts. Disaggregated data is available for purchase. number of unique visitors to selected top websites(Table 12)See the description for in 3. number of newspapers and total daily circulations(Figure 2)The Newspaper Circulation Volume Data in from Editor and Publisher Yearbook’s provides newspaper count, circulation, and expenditures for members of the Newspaper Association of America (believed to be most newspapers operating in the U.S.). advertising revenues(Table 13)The IAB, an advertising business organization, comprised of many members responsible for selling 86% of online advertising in the U.S., reports their estimates of total internet advertising revenues in the U.S. yearly. Statistics for IT industries(Table 14)The Statistics of U.S. Businesses provides information on number firms and employment by firm size, geographic region, and industry. in Keyword Search Frequencies(Figure 5)Google Trends reports the trends in frequency of search terms on Google. The site allows one to quickly compare frequency across words over time. However, the relative frequency data appear to be rounded when comparing multiple words. This rounding precludes direct comparison between words occurring at very different frequencies. of Words in Books(Figure 6)Google Ngrams reports the frequency at which words and phrases are used in books by publication year dating far back in time, elucidating trends. The website allows quick comparisons over time across a few words. The underlying data is downloadable, though the files are quite large. ................
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