The 2020 census will cost the United States sixteen billion dollars.

The New Yorker reports:

Under current laws, your answers to the 2020 census cannot be seen by anyone outside the Census Bureau until April 2, 2092. But by then there is unlikely to be anything like a traditional census left. In 2020, the single largest counter of people is Facebook, which has 2.4 billion users, a population bigger than that of any nation. The 2020 census will cost the United States sixteen billion dollars. Census-taking is so expensive, and so antiquated, that the United Kingdom tried to cancel its 2021 census.

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