‘ ‘Populist Critiques of (or the backlash against) Multiculturalism’,’ in Geoffrey Brahm Levey (ed), Research Handbook on Multiculturalism (Elgar 2023)

‘Left-Modernist Extremism,’ in Pedro Zuquete (ed), The Palgrave Handbook of Left-Wing Extremism, Vol. 1 (Palgrave 2023)

‘Demographic Change and American Instability,’ in Arthur Milikh (ed.), Up From Conservatism: Revitalizing the Right After a Decade of Decay (Encounter Books, 2023), pp. 260-75

‘Identity not Culture: where ethnic majorities are disadvantaged,’ in Orgad, Liav and Ruud Koopmans, Majorities, Minorities and the Future of Nationhood (Cambridge University Press, 2023), pp. 62-86

‘Resisting Cultural Socialism: how to march back through the institutions,’ in Balogh, S. and Nick Timothy, Fighting Back: Defending Britain and the West in the Culture War (New Culture Forum, 2022), pp. 18-27

‘Everyday Censorship: What the Data Tell Us About the Threat to Free Speech on Campus,’ in Sheahan, Luke, International Comparative Approaches to Free Speech and Open Inquiry (FSOI) (Springer Link, 2022), pp. 243-70

‘Whiteshift: demographic change, populism and polarization in the West,’ in Sciubba, J., A Research Agenda for Political Demography (Elgar, 2021)

‘Ethnic Nationalism or Relaxed Assimilation?: the response of English ‘Sons of the Soil’ to immigration,’ in Cote, I. and M. Mitchell, People Changing Places: New Perspectives on Demography, Migration, Conflict and the State (Routledge, 2018)

‘The Religious Demography of London since 1980′ for David Goodhew and Anthony-Paul Cooper (eds), No Secular City: Church Growth and Decline in London, 1980 to the Present (Routledge, 2018)

• ‘Values and immigration – the real reasons behind Brexit and Trump’, in John Mair, Tor Clark, Neil Fowler, Ray Snoddy and Richard Tait (eds), Brexit, Trump and the Media (London: Abramis, 2017), pp. 61-70
• ‘The Demography of Religion in London since 1980,’ in D. Goodhew and A. Cooper (eds), No Secular City: Church Growth and Decline in London, 1980 to the Present (London:Routledge), forthcoming prepublication version
• ‘Anti-immigrant nativism as “Sons of the Soil” Conflict: the role of immigration and ethnic change in stimulating ethno-nationalism in Britain, in I. Cote and M. Mitchell (eds), Sons of the Soil Conflicts (Oxford University Press), forthcoming  prepublication version
• ‘Religion Returns to Europe,’ in Almqvist, K. (2013). The Pursuit of Europe: Perspectives from the Engelsberg Seminar 2012, Axel and Margaret Ax:son Johnson Foundation.
• with Daniele Conversi) ‘Ethnic and Nationalist Mobilization,’ in J. Tournon and A. Guelke (eds.), The Study of Ethnicity and Politics: Recent Analytical Developments (Berlin: Barbara Budrich, 2012), pp. 47-78
• (with V. Skirbekk), ” ‘Go Forth and Multiply’: the Politics of Religious Demography” in Political Demography: identity, conflict and institutions, edited by J. A. Goldstone, Eric Kaufmann and Monica Duffy Toft. (Oxford:Oxford University Press)
• “Sacralisation by Stealth: the demography of de-secularisation” in Stillwell, John et. al (eds.), Spatial and Social Disparities (Springer, 2010), pp. 217-32
• “Dominant Ethnicity and Dominant Nationhood: Empirical and Normative Aspects” in Lecours, A. and G. Nootens (eds.), Dominant Nationalism, Dominant Ethnicity: Identity, Federalism and Democracy (Berlin: Peter Lang, 2009), pp. 35-56
• ‘Dominant Ethnicity and Integration: the Estonian Case’, for conference volume on Estonian Integration (Tallinn: Hill and Knowlton, 2008) http://www.meis.ee/book.php?ID=182)
• ‘Faith’s Comeback?: The Demographic Revival of Religion in Europe’, in Un Nuovo Umanesimo per L’Europa, University of San Pio V, Basilica de San Giovanni in Laterano conference volume, forthcoming [abstract] [tables] [graphs]
• ‘The Orange Order in Scotland since 1860: A Social Analysis’, in M. Mitchell (ed), The Irish in Scotland (Edinburgh: Birlinn),2008, pp. 159-90
• ‘Loyalism’, in International Encyclopedia of the Social Sciences (2nd ed.) (Farmington Hills, MI: MacmMillan Reference), forthcoming
• ‘The Orange Order in Ontario, Newfoundland, Scotland and Northern Ireland: A Macro-Social Analysis,’ in David A. Wilson (ed.), The Orange Order in Canada (Dublin: Four Courts, 2007)
• (with Henry Patterson) ‘From Deference to Defiance: Popular Unionism and the Decline of Elite Accommodation in Northern Ireland,’ in Knox, C. et al., Devolution and Constitutional Change In Northern Ireland (Manchester: MUP, 2006)
• ‘National Ethnicity and the Modern State’ in Leos Muller and Linas Eriksonas (ed): Statehood Before and Beyond Ethnicity (Brussels: Peter Lang, 2005)
• ‘Dominant ethnicity: from background to foreground,’ in Eric Kaufmann (ed.), Rethinking Ethnicity: Majority Groups and Dominant Minorities (London: Routledge, 2004), pp. 1-14
• ‘The Decline of the WASP in the United States and Canada,’ in Eric Kaufmann (ed.), Rethinking Ethnicity: Majority Groups and Dominant Minorities (London: Routledge, 2004), pp. 61-83
• ‘Ethnic Nationalism,’ in Bibliography of Nationalism, Canadian Review of Studies in Nationalism, vol. 30 (2003)
• ‘Multiculturalism,’ chapter in Singh, Robert (ed.), Governing America: The Politics of a Divided Democracy (Oxford: Oxford University Press, 2003), pp. 449-66
• ‘The Decline of Sectarianism in the West?: A Comparison of the Orange Order in Canada, Ulster and Scotland,’ in N. Singh and T. Vanhanen (eds.) Ethnic Violence and Human Rights (Delhi: KIRS, 2002)
• ‘Dominant Ethnie’, ‘Melting Pot’, ‘Assimilation’, ‘Nation-Building,’ The Companion Guide to Nationalism (London: Transaction Publishers), 2000, pp. 12-13, 51-3, 177-8, 208-9