who were given birth
This does not make sense, the people could have been born in Asia, their parents gave birth in Asia, but neither were ever "given birth" in Asia. Incorrect grammar / word usage will result in lowered LR and GRA scores at the very start of the scoring considerations. That is not a good sign. Failing these 2 sections so early in the presentation could result in an overall failing score in the end.
born in Asia and other areas
Increase the task accuracy by completing the graph listing of countries. That way it makes it easier for the reader to track the information you will be discussing in the body. They will be on the lookout for further discussion points. Doing so will also increase the TA score of the trending statement based on the summary requirements.
It droped
Remember to spellcheck, review, and revise the essay prior to submission. Incorrectly spelled words will be deducted from your LR score and could be a GRA deduction due to confusing word references.
Avoid writing single sentence paragraphs. Technically, that will not be considered a paragraph anyway since a paragraph is always composed of at least 3 words. A single sentence is a statement. It will not return the same scores as a completely developed paragraph.