OpenIntro features a number of free books that can be used in high school and AP statistics courses. The license on these datasets is currently unknown. You can find out more about OpenIntro at https://www.openintro.org.
Country-level statistics from the US Central Intelligence Agency (CIA).
country - Country name.
area - Landarea, in square kilometers. (1 square kilometer is 0.386 square miles
birth_rate - Birth rate, in births per 1,000 people.
death_rate - Death rate, in deaths per 1,000 people.
infant_mortality_rate - Infant mortality, in deaths per 1,000live births.
internet_users - Total number of internet users.
life_exp_at_birth - Live expectancy at birth, in years.
maternal_mortality_rate - Number of female deaths per 100,000live births where the death is related to pregnancy or birth.
Picostat is a web-based opensource statistical application framework based on Drupal 8 and ℝ. Drupal can be used to manage user datasets and perform basic statistical analysis with a NoCode end-user interface ideal for non-technical users. Custom applications can be easily integrated into the system using webforms and ℝ language syntax.