  Left-wing authoritarianism remains far less understood than right-wing
authoritarianism. We contribute to the literature on the former, which
typically relies on surveys, using a new social media analytics approach. We
use a list of 60 terms to provide an exploratory sketch of the outlines of a
political ideology (tribal equalitarianism) with origins in 19th and 20th
century social philosophy. We then use analyses of the English Corpus of Google
Books (over 8 million books) and scraped unique tweets from Twitter (n =
202,852) to conduct a series of investigations to discern the extent to which
this ideology is cohesive amongst the public, reveals signatures of
authoritarianism and has been growing in popularity. Though exploratory, our
results provide some evidence of left-wing authoritarianism in two forms (1) a
uniquely conservative moral signature amongst ostensible liberals using
measures from Moral Foundations Theory and (2) a substantial prevalence of
anger, relative to anxiety or sadness. In general, results indicate that this
worldview is growing in popularity, is increasingly cohesive, and shows
signatures of authoritarianism.

Social and Information Networks;Computation and Language;Computers and Society