Which party system is indicated to be ongoing as of now?

The indication that the Sixth Party System is ongoing reflects the current dynamics of the American political landscape, emerging primarily from the significant changes in party alignments, voter demographics, and the issues at the forefront of political discourse.

The Sixth Party System is characterized by a number of factors, including the realignment of party bases, with increased polarization between the Democratic and Republican parties. This period has seen the rise of new issues such as immigration, healthcare, and climate change gaining prominence, which often redefine party roles and voter alignments. Additionally, the partisan divide has been exacerbated by changes in media consumption and social networks, influencing how citizens engage with politics.

This contrasts with earlier party systems, where the Third and Fourth Party Systems were marked by distinct issues and affiliations. For example, the Third Party System was dominated by issues such as reconstruction and civil rights, while the Fourth Party System focused more on economic issues like the Great Depression. As political circumstances evolve, the ongoing nature of the Sixth Party System demonstrates how voter identities and partisan loyalties are still shifting, adapting to the contemporary socio-political environment.