Paperback. The monograph addresses the factors affecting the degree of sustainability exhibited by population growth in peripheral urban settlements. Development differentials between core and peripheral regions in countries of different sizes and various levels of economic development are discussed and specifically, the following issues are considered: core versus periphery: inequalities and development needs; development peculiarities of peripheral urban settlements; criteria for sustainable urban growth; factors influencing urban growth in peripheral areas; and planning strategies for regional development. Two major theoretical considerations are posited for discussion. First, that 'sustainable population growth' of an urban settlement is defined according to the settlement's ability to attract newcomers and retain current residents (migration attractiveness). Second, that the preconditions which are essential for sustainable population growth in perip