How to color countries using google maps?

Question

I need to color different countries in the world based on a Range (eg: population)

 Red  :   > 100 million
 Green:   50 - 99 million
 Ash  :   < 50 million         


        

Answer 1

Use Google Charts API, not Google Maps API. It has a chart type of map which will allow you to very easily plot data by country and color-code them, e.g. http://code.google.com/apis/chart/interactive/docs/gallery/geochart.html#Example