<html>
<body>
<table>
<caption>Population by Country</caption>
<colgroup>
<col>
<col span="2" style="background-color:lightgreen">
<col>
</colgroup>
<thead>
<tr>
<th>Country</th>
<th>Pop</th>
<th>Pop 2030</th>
<th>% change</th>
</tr>
</thead>
<tbody>
<tr>
<td>China</td>
<td>1.38 billion</td>
<td>1.41 billion</td>
<td>2.1%</td>
</tr>
</tbody>
<tfoot>
<tr>
<td>Total</td>
<td>3 billion</td>
<td>3.3 billion</td>
<td>10%</td>
</tr>
</tfoot>
</table>
</body>
</html>
The th element represents a cell in a table header row.
A live example:
| Country | Pop | Pop 2030 | % change |
|---|---|---|---|
| China | 1.38 billion | 1.41 billion | 2.1% |
| India | 1.31 billion | 1.53 billion | 16.8% |
| USA | 322 million | 356 million | 10.6% |
| Total | 3 billion | 3.3 billion | 10% |
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