IELTS Writing Task 1 overviews

The overview is the most crucial part of your writing task 1 answer.

Here are four overviews for the task in the picture. Which one is the best one? Why?

1️⃣
Overall, life expectancy varied significantly across the given countries: from 70 in Indonesia to 82 in Japan. Notably, Japan – the leading country – showed very small growth, yet Indonesia – the country with the shortest lifespan – showed the largest increase.

2️⃣
Overall, while life expectancy varied significantly across the given countries in 2008, it became longer in all over the 55 years. Notably, Japan – the leading country – showed very small growth, yet Indonesia – the country with the shortest lifespan – showed the largest increase.

3️⃣
Overall, life expectancy varied significantly across the given countries: from 70 in Indonesia to 82 in Japan. Notably, the extent of growth also varied, ranging between 3% in the United States and 15.7% in Indonesia.

4️⃣
Overall, the country with the shortest life expectancy showed the largest increase by 2008, while the country with the longest showed the second smallest. Notably, life expectancy became longer in all countries by 2008.

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My overview - and the whole answer - for the task above in the pdf in this Telegram post:
https://t.me/irinalutsenko/551