Which topics have been included in every u. S. Census since the first census in 1790?

The Topic is "Age and Sex"

Explanation:

Since the first census of United States in 1790, the topic that has been included in every United States census is Age and Sex.

In 1790, under the President George Washington, the first United States census was conducted and the population was categorized under different topics, which includes:

1. Free white males of 16years and above

2. Free white males under 16years

3. Free white females

4. All other persons

5. Slaves

And from there, till the last census conducted in the United States, Age and Sex is a topic that still features in the categories of census.

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