Código PHP:
<?
include("conectar.php");
$sql2 = "SELECT * FROM usuarios ORDER BY poblacion DESC";
$result2 = mysql_query($sql2, $conectar);
if(mysql_num_rows($result2) >= 1) {
$row2 = mysql_fetch_assoc($result2);
$rank = 0;
}
?>
<table width="100%" border="1" cellpadding="0" cellspacing="0" bordercolor="#000000">
<tr>
<td colspan="3"><div align="center">Rangos</div></td>
</tr>
<?
do{
$user2 = $row2['user'];
$pob = $row2['poblacion'];
$rank += 1;
?>
<tr>
<td><div align="center"><? echo $rank; ?></div></td>
<td><div align="center"><? echo $user2; ?></div></td>
<td><div align="center"><? echo $pob; ?></div></td>
</tr>
<?
}while(mysql_fetch_assoc($result2));
?>
</table>
mirenlo