Semantic, accessible markup examples. More about table accessibility: https://webaim.org/techniques/tables/data

table.html

<table>
  <caption>Country populations, 2018</caption>
  <thead>
    <tr>
      <th scope="col" abbr="">Country</th>
      <th scope="col" abbr="">Population</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <th scope="row">France</th>
      <td>1000000</td>
    </tr>
  </tbody>
</table>