%0 Journal Article %T Social Media as a Sphere for ¡°Risky¡± Political Expression: A Twenty %A Brigitte Huber %A Homero Gil de Z¨²£¿iga %A James H. Liu %A Matthew Barnidge %J The International Journal of Press/Politics %@ 1940-1620 %D 2018 %R 10.1177/1940161218773838 %X In the context of the United States, research shows a positive relationship between network heterogeneity and political expression on social media at the individual level. This study builds on that research, relying on multilevel analysis that (1) leverages a twenty-country comparative survey and (2) includes country-level data on freedom of expression. Results show a positive relationship between network heterogeneity and political expression on social media across countries, but that relationship is stronger where freedom of expression is more limited %K social media %K political expression %K network heterogeneity %K freedom of expression index %K democracy %K political communication %U https://journals.sagepub.com/doi/full/10.1177/1940161218773838