Which of the following regions is most likely to have countries in stage 4 of the demographic transition? western europe western asia central america the caribbean southern africa

Stage 4 demographic means that the population is stabilized by a low rate of births and deaths. Out of the 4 options it would be most likely that western Europe's population would stabilize this way since it is one of the oldest and advanced, so rapid growth would be low and death rates reduced by advances in medicine.