Fertility rate animation: five countries, 2000–2023

How to read this comparison

Total fertility rate is a period measure based on age-specific fertility rates. It is expressed as births per woman, rather than births per thousand residents or the actual completed family size of a particular group. Those measures answer different questions.

Use it in your presentation

Use this example to explain demographic change or distinguish fertility measures. Keep two decimal places for the dataset but avoid treating minor differences as meaningful without reviewing the source methods. Use neutral language when describing increasing or decreasing rates.

The data behind the animation

Unit: Births per woman. The table contains the input observations used to render the clip. The video displays 2 decimal places; the CSV preserves up to four.

Method and limitations

A larger bar is not a better outcome; the order is numerical only. The measure depends on the fertility pattern during the reference period and may differ from completed cohort fertility. Six sampled years and animated transitions cannot represent every annual turning point.

Values are retained in the source unit and rounded to four decimal places in the reusable dataset. Six observation years are selected: 2000, 2005, 2010, 2015, 2020 and 2023. Every selected country has a value at each chosen year; no missing value was filled. This frozen historical range makes the examples comparable and does not claim to include the latest available observations.

The animation uses a fixed zero-based scale and linear value interpolation, with time proportional to the year gaps. The bars reorder numerically; changing row position is an animation effect. The clip lasts ten seconds at 30 fps, including an opening pause and a 1.5-second final hold.

Source and reuse