Contributing to the recent revival in studies of the effects of the biographical characteristics of leaders, this paper presents an attempt at the most complete description to date of the world’s current leaders. The Global Leadership Project (GLP) provides the first dataset offering...

The Varieties of Democracy (V-Dem) project is generating a new dataset of indicators for various facets of democracy. Although many of the indicators are quite useful by themselves, most users of V-Dem data probably require measures of democracy at a higher level of aggregation.This paper...

Although geography is widely viewed as an important factor in long-term development, little attention has been paid to its role in democratization. This study focuses on the possible impact of a feature of littoral geography: natural harbors with access to the sea. By virtue of enhancing...

Insofar as democracy is a product of long-term diffusion, scholars generally focus on colonialism (especially English) or religion (especially Protestant). Here, we focus on a third pathway from Europe – Europeans. We show that there is a persistent relationship between the share of Europeans...