Why is there great variation among various regions in doubling their p

1.	Why is there great variation among various regions in doubling their population?
Answer» <html><body><p></p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/developed-431631" style="font-weight:bold;" target="_blank" title="Click to know more about DEVELOPED">DEVELOPED</a> countries have controlled their growth rate due to expansion of educational <a href="https://interviewquestions.tuteehub.com/tag/facilities-982711" style="font-weight:bold;" target="_blank" title="Click to know more about FACILITIES">FACILITIES</a> and advancement in medical facilities. Developed countries are taking more time to double their <a href="https://interviewquestions.tuteehub.com/tag/population-1159440" style="font-weight:bold;" target="_blank" title="Click to know more about POPULATION">POPULATION</a>. Developing countries are taking less time to double their population due to <a href="https://interviewquestions.tuteehub.com/tag/lack-1065533" style="font-weight:bold;" target="_blank" title="Click to know more about LACK">LACK</a> of educational and medical facilities.</body></html>

Why is there great variation among various regions in doubling their population?