**population**,
a dataset directory which
lists national populations over time.

The computer code and data files described and made available on this web page are distributed under the MIT license.

census, a dataset directory which contains US census data;

- bulgaria_population.csv, the population of Bulgaria, between 1887 and 2017.
- bulgaria_population.m, a MATLAB code which reads and plots the Bulgaria population data.
- bulgaria_population.png, a plot of the population of Bulgaria, between 1887 and 2017.

- cellphone_population.csv, the percentage of US population with cellphones, 1995-2012.
- cellphone_population.m, a MATLAB code which reads and plots the cellphone population data.
- cellphone_population.png, a plot of the cellphone population.

- countries.csv, population records for countries and regions from "Aruba" to "Zimbabwe", from 1960 to 2015.

- earth_population.txt, the population of Earth, in billions, between 1998 and 2010.
- earth_population.m, a MATLAB code which reads and plots the population of Earth.
- earth_population.png, a plot of the population of Earth.

- france_population.txt, the population of France, between 1806 and 2018.
- france_population.m, a MATLAB code which reads and plots the population of France.
- france_population.png, a plot of the population of France, between 1806 and 2018.

- mexico_population.csv, the population of Mexico, between 1865 and 2018.
- mexico_population.m, a MATLAB code which reads and plots the population of Mexico.
- mexico_population.png, a plot of the population of Mexico, between 1865 and 2018.

- paramecium_population.csv, the population of paramecium in a biology lab, hours 1 through 26.
- paramecium_population.m, a MATLAB code which reads and plots the paramecium population.
- paramecium_population.png, a plot of the paramecium population.

- us_population.csv, the population of the United States, as recorded in the census taken every 10 years, from 1790 to 2010.
- us_population.m, a MATLAB code which reads and plots the population of the US.
- us_population.png, a plot of the population of the US.