what do you understand by population change?
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ᴘᴏᴘᴜʟᴀᴛɪᴏɴ ᴄʜᴀɴɢᴇ ɪs ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏғ ᴘᴇᴏᴘʟᴇ ᴀᴅᴅᴇᴅ ᴛᴏ ᴛʜᴇ ᴛᴏᴛᴀʟ ᴘᴏᴘᴜʟᴀᴛɪᴏɴ ɪɴ ᴀ ʏᴇᴀʀ. ɪᴛ ɪs ᴇxᴘʀᴇssᴇᴅ ɪɴ ᴛʜᴇ ᴀᴅᴅɪᴛɪᴏɴ ᴏғ ɴᴜᴍʙᴇʀ ᴏғ ᴘᴇᴏᴘʟᴇ.
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Population change, defined generally, is the difference in the size of a population between the end and the beginning of a given time period (usually one year).
Population change has two components: natural population change (the number of live births minus the number of deaths).
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