th€ir GNP period, the perlod 1972-1978 invariably sho$ed an lncrease in their Percentage outlays on health and education. 99/ tne socio-econonic problems of the developing countries have by now energed as central to any international forufii dealing with deveLopnental issues, and for good reasons, too. By the end of the year 2000, these countries will have about 5.0 billion of an estinated eorldpopulation of 6.4 billion. They will be adding at least 500 rnillion people to their labour force between 1975 and tbe end of the century' and virtually 95 per cent of an estimated total of sone 630 million absolutely poor people in the world irill be living in these countries. The social tensions inhereniJ in prov,ii.,ng A/37/3e6 Engl ish Annex : Page 48 gainful emplol'ment to ttre addltlonal labour force and satisfying the basic needs of a grdlng nunber of the poor cannot be entlrely resolved by looking for a aingle or determinant cause explanations like those inplicit in relating thelr developnental perforrnance to their nilitary outlays. As pointed out by the United Nations I98l study on international econonic and social policf.: rlhe interface betr.reen people, resources and the environrnent has givenrise to a growing class of develoSxaental problens which originate invicious-circle types of causations, can lead to increasing social ahd econonicvulnerablltty and envlronnental instability, and are not, in the main, amenable to simple analysis or solution. lrany of these problems' because they are regional or global in extentr or because they affect the comlon international realm, will requlre extenslve co-operation among nations, andactlon by international organizations in the comron intereEt.h lE/L98L/65r. 100. While it is easy to predict that most developing countries will face growing econotic and social tenaions arlsing fron the interactions of population growth, resouEce constraints and environmental feedbacks, and still easier to suggest that
**Analysis**
The text primarily discusses the challenges and complexities faced by developing countries, particularly in relation to their economic development, population growth, resource constraints, and environmental issues. It highlights the need for international cooperation and action by organizations to address these problems. The text does not specifically focus on any one sector or industry, but rather on the broader issues affecting these countries.

**Category**
Economic development, Natural resources and environment