by Tim Olbrich

Since the Tor browser was released in 2002, the Dark Web constantly experienced a user growth all over the world. One of the reasons is its architecture which allows anonymity within the internet and the fact that censorship can be bypassed.

The visualization illustrates the usage of the Tor protocol by country within four years. The selected countries have a minimum of 0.01‰ users and are ordered according to their democracy index on the x-axis, from the lowest to the highest. The y-axis shows the time, representing each day with a color based on the country’s usage. Overlays indicate special events — often politically motivated. The data visualization is built upon official sources including the Tor Metrics, Facebook’s Transparency Report and Google traffic disruptions.


Gold in Promotional materials for Social Change 2021, Student

Created by:

Lead Designer

Tim Olbrich

University or Design School

Politecnico di Milano

Profile Website

click here

Project Website

click here

Design Team

Giulia Baraldi, Cecilia Gaetarelli, Alia Kaouel, Tim Olbrich, Valentina Pallacci, Alessia Rodler, Vera Salvaderi


Individual Credits

Designer and Data Analyst: Giulia Baraldi
Designer and Data Analyst: Cecilia Gaetarelli
Designer and Data Analyst: Alia Kaouel