Simple Explanation
जन्म दर और life expectancy में बदलाव population ageing तथा age composition को प्रभावित करते हैं। जनसंख्या भूगोल fertility, mortality, age structure और demographic transition के spatial patterns का अध्ययन करता है। Medical geography life expectancy से जुड़े health factors समझा सकता है, लेकिन पूरी age structure transformation demographic process है। परीक्षा में birth rate, longevity और ageing का संयुक्त उल्लेख population geography की स्पष्ट पहचान है। / Changes in birth rates and life expectancy directly affect population ageing and age composition. Population geography studies the spatial patterns of fertility, mortality, age structure, and demographic transition. Medical geography can explain health factors related to longevity, but the overall transformation of age structure is a demographic process. In examinations, declining birth rates, rising life expectancy, ageing, and changes in population composition strongly indicate population geography.
