1790UNITED STATES
A country becomes
a count.
Before a statistic can tell us anything, somebody has to decide who gets counted.
The first U.S. census began in 1790. It turned household observations into a national record.
CHAPTER 01 / 10COUNTING PEOPLE
A country becomes
WORKING MODELILLUSTRATIVE DATA
From people to a pattern
Explore how a collection of individual observations becomes a useful summary.
WHAT THIS MAKES POSSIBLE
A shared baseline for understanding a population.