Scientific Research | Data

Scholarly publications on artificial intelligence

Aug 6, 2026

Conservation & Biodiversity | Data

Red List Index

Sep 2, 2021

Democracy & Autocracy | Data

Adults with the right to vote

Jul 11, 2020

Varieties of Democracy | Data

Equal Access Index

Apr 18, 2020

Varieties of Democracy | Data

Equal Protection Index

Apr 18, 2020

Varieties of Democracy | Data

Civil Society Participation Index

Apr 17, 2020

Varieties of Democracy | Data

Legislative Constraints on the Executive Index

Apr 17, 2020

Varieties of Democracy | Data

Judicial Constraints on the Executive Index

Apr 17, 2020

Varieties of Democracy | Data

Clean Elections Index

Apr 17, 2020

Varieties of Democracy | Data

Participatory Democracy Index

Apr 16, 2020

Varieties of Democracy | Data

Freedom of Association Index

Apr 16, 2020

Varieties of Democracy | Data

Freedom of Expression and Information Index

Apr 16, 2020

Varieties of Democracy | Data

Additive Polyarchy Index

Apr 16, 2020

Varieties of Democracy | Data

Participatory Component Index

Mar 27, 2020

Varieties of Democracy | Data

Liberal Component Index

Mar 26, 2020

Varieties of Democracy | Data

Electoral Democracy Index

Mar 26, 2020

Varieties of Democracy | Data

Liberal Democracy Index

Mar 26, 2020

Democracy & Autocracy | Data

Democracy versus autocracy over time

Jun 5, 2019

Population by Age | Data

Median age

Mar 18, 2019

Slavery | Data

Human trafficking victims

Jun 22, 2018

Land Area | Data

Land mass

Apr 10, 2018

Terrorism | Data

Terrorism injuries

Jan 23, 2018

Population Growth | Data

World population

Oct 11, 2017

Population Growth | Data

Average annual rate of change of the population

Oct 3, 2017