Solution

25466

First name
Tom, Jake and Niamh
School
St John The Baptist primary
Country
Age
10

The chart is based on how many gold medals each country has, the country with the most gold medals is at the top of the chart.It could be changed to have the country with the most total points at the top of the chart.America could be at the top of the chart instead of China.Japan would be at the bottom of the chart and Italy would be 9th if the chart was organised by total.