[The development of the population of Cuba in the five-year period 1981-1985 and a comparison with 1976-1980: expected developments for the five-year period 1986-1990]. / Evolucion de la poblacion de Cuba en el quinquenio 1981-1985 y su comparacion con el de 1976-1980: evolucion perspectiva para el quinquenio 1986-1990.

PIP: Cuban demographic trends for the periods 1976-1980 and 1981-1985 are examined, and trends for the period 1986-1990 are forecasted. The results indicate that Cuban population trends are becoming increasingly similar to those of developed countries due to successful socioeconomic development. (SUMMARY IN ENG AND RUS)^ieng