Implementation: Specify population of each country as a HTML5 data attribute of each element containing the country's name, and using the "dataset" attribute to retrieve the values. (This won't work until browsers support this DOM attribute.)
| Australia |
| Canada |
| Ireland |
| New Zealand |
| United Kingdom |
| United States of America |
This HTML page is an example described in my blog entry HTML Annotations.
(Successfully validates as HTML5)