DEMOGRAPHIC RESEARCH VOLUME 40, ARTICLE 25 PAGES 693-724 PUBLISHED 20 MARCH 2019 http://www.demographic-research.org/Volumes/Vol40/25/ DOI: 10.4054/DemRes.2019.40.25 Research Article Happy parents’ tweets: An exploration of Italian Twitter data using sentiment analysis Letizia Mencarini Delia Irazú Hernández-Farías Mirko Lai Viviana Patti Emilio Sulis Daniele Vignoli This publication is part of the Special Collection on “Social Media and Demographic Research,” organized by Guest Editor Emilio Zagheni. © 2019 Letizia Mencarini et al. This open-access work is published under the terms of the Creative Commons Attribution 3.0 Germany (CC BY 3.0 DE), which permits use, reproduction, and distribution in any medium, provided the original author(s) and source are given credit. See https://creativecommons.org/licenses/by/3.0/de/legalcode