Enterprise Section

1. E-mail usage

   For enterprises with 300 or more employees, the ratio of e-mail usage is 76.2%, a 13.5 percentage-point increase since the previous survey.
   Tabulated by industry we see that Finance and Insurance (73.5%) and Construction (66.6%) have the highest usage. Tabulated by number of employees, we see that the larger the enterprise the higher the usage rate. In enterprises with 2,000 or more employees the usage rate was 91.4%. Additionally, the usage rate for newly surveyed enterprises with 100 to 299 employees was 50.2%.
   

   
   
   

2. E-mail system used

   Looking at the e-mail system used in enterprises, we see that the highest response was 63.6% in the "Internet" category, followed by "In-house system" (50.4%).
   Tabulated by number of employees, we can see that the "In-house system" ratio rises with the size of the enterprise. On the other hand, excluding the "500-999 employee" category, the "Internet" category ratio rises as the number of employees gets smaller.