Hi Irfan. The report is acceptable and contains only a few grammar corrections. I am also rewording some of the sentences for clarity. I'll list them below for your reference.
The pie charts compare the percentage of parents
' happiness with having children in different ages.
- There is no need to use an apostrophe in this sentence as the word "parents" is the plural form that connotes ownership. Also, an apostrophe after the S is only acceptable when the word itself originally ends in an S.
what stands out from the charts reveal that the total of parents with toddlers are higher than the number of parents with teenage children
- This sentence can be tightened to produce a more concise thought process by omitting the above words. Also, this sentence discusses a different topic from the continuing sentence and therefore should end with a period after the word children.
and it can be seen that the percentage of elders who dissatisfied with their children virtually same in a low score.
- This should be rewritten as follows: The percentage of elders who are dissatisfied with their children have virtually the same low score.
Moving to a more detailed analysis, the most significant data are in the number of parents who have very young children indicated very happy at 47 per cent which this is different by 10 per cent of the percentage of people who have teenage children.
- Moving on to more detailed analysis, the most significant data indicates that the number of parents who have very young children resulted in 47% of them being happy. A difference of 10% from the percentage of people with teenage children.
the amount of citizens who unhappy with their children almost stagnant in the few numbers below 5%. In conclusion, the level of parent's happiness
has fallen when their toddlers become teenagers.
-... who are unhappy with their childrenare
almost stagnant... parent's happiness falls when their toddlers...
I hope my comments and suggestions help.