69. _For example, the Group noted that in the Fourth Plan (1977- 1981) of Thailand there were seven main issues for which development strategies and policies were outlined in detail: (a) growth in population and labour force; (b) population distribution and human settlements; (c) development of the quality of human resources; (d) labour and employment; (e) salary and wage increases; (f) development and public administration and management; and (g) manpower development in the civil service and in state enterprises. Obviously, demographic in­ dicators were important in each of those areas of policy. 70. Guidelines for social indicators recently issued by the United Nations Statistical Office7 suggested series of indicators in the areas of: (a) Population; (b) Family formation, families and households; (c) Learning and educational services; (d) Earning activities and the i~active;_ 7 Ibid. 17 (e) Distribution of income, consumption and accumulation; (f) Social security and welfare services; (g) Health, health services and nutrition; (h) Housing and its environment; (i) Public order and safety; U) Time use; (k) Leisure and culture; (I) Social stratification and mobility. 71. The minimum demographic statistics required for each of those fields were the population by sex and age, urban or rural residence, geographical area, and national or ethnic origin. The population by size and type of place was also recommended for most of the above categories. 72. The degree of disaggregation of data for development indicators was described as a crucial issue because it determined the cost of data collection and also the level of planning which was possible. C. INCOME, HEALTH AND EDUCATION INDICATORS 73. Indicators of the level and distribution of income were considered to be necessary for measuring individual well-being, although measure­ ment was complicated. Primary and distributed factor income needed to be distinguished. Income statistics had to correspond with the actual 
**Analysis**
The text discusses various indicators and statistics related to development, such as population, income, health, and education. These indicators are crucial for measuring individual well-being and planning for development. The text also touches on the importance of data collection and the level of planning possible.

**Category**
Economic development, Education, Health