1991 Establishment Census of Japan: Survey Outline, Questionnaire, etc.

All establishments in Japan (excluding Shimabara City and Fukae-cho in Nagasaki prefecture) on the date of the census, except the following:
1. Individual proprietorships that, based on the 1984 version of the Japan Standard Industrial Classification, were classified as belonging to Division A: Agriculture, Division B: Forestry, or Division C: Fisheries.
2. Establishments that, based on the 1984 version of the Japan Standard Industrial Classification, were classified as belonging to Major Group 74: Domestic Services or Major Group 96: Foreign Governments and International Agencies in Japan.
3. Establishments set up within fee-charging facilities such as theaters, amusement parks, sports stadiums, or within the ticket barriers of stations.
4. Households in which an individual, alongside housework, carries out piecework without any special equipment.
5. Establishments without paid employees, such as neighborhood associations.
6. Establishments that have closed down and have no employees.
7. Establishments that operate on a seasonal basis and did not operate on the day of the census.

Note: Apart from the fact that parts of Nagasaki prefecture were excluded, the types of establishments included and excluded were identical to those in the 1986 Establishment Census.

所有在普查日期位于日本境内的机构（除外长崎县下 Shimabara 市及福江町），具体如下：
1. 根据1984年版《日本标准产业分类》被划分为A部门：农业、B部门：林业或C部门：渔业的个体业主企业。
2. 根据1984年版《日本标准产业分类》被划分为主要集团74：国内服务或主要集团96：日本外国政府及国际机构的机构。
3. 设立于收费设施内，如剧院、游乐园、体育场馆或车站售票处内的机构。
4. 家中个体除家务外，进行无特殊设备计件工作的家庭。
5. 无雇佣员工的机构，例如社区协会。
6. 已关闭且无员工的机构。
7. 季节性运营且在普查日未运营的机构。
注：除长崎县部分地区被排除外，所包含及排除的机构类型与1986年机构普查中的一致。