Ethics and responsibility · Ethics
What is gained and lost when a state counts its people?
A census turns a population into numbers that guide funding, representation and planning. It also defines categories people must fit into. This question asks how counting shapes knowledge of a society and the people being counted.
Claims
- Without accurate counts, governments cannot plan schools, hospitals or fair representation, so counting is essential knowledge.
- Statistical methods let agencies protect individual privacy while still publishing useful totals.
Counterclaims
- The categories on a form, such as ethnicity, are human choices, and they change; counting creates the groups it claims to measure.
- Data collected for one purpose can be used for another, sometimes harmfully.
Real-life situations from mathematics
The ethnicity question
The census in Great Britain first asked about ethnic group in 1991. The categories have been revised in later censuses, showing that what is counted reflects changing ideas about identity.
Privacy and the 2020 US census
The US Census Bureau applied a mathematical technique called differential privacy to its 2020 results, adding carefully calibrated noise to protect individuals. Some users of the data argued that it reduced accuracy for small communities.
Check dates and figures in a reliable source before you use them, and cite that source.
Use this in your TOK work
Essay. Fits titles about classification, politics and the human sciences.
Exhibition. A census form is a classic, powerful object; comment on one specific question it asks.
Link it to the prescribed title or the exhibition prompt you are working on, in your own words. See using maths examples in your essay and choosing exhibition objects.
Themes and study heading
Knowledge and politics Knowledge and language Ethics
Responsibility in making and using mathematics.