What evidence is presented in opposition to the party decline thesis?

The assertion that parties are showing signs of increasing strength since the 1980s provides substantial evidence against the party decline thesis. This thesis posits that political parties in the United States are becoming weaker, primarily due to the rise of independent voters and a decline in party loyalty among constituents.

In contrast, highlighting the resurgence of party strength implies that parties still play a critical role in mobilizing voters, influencing legislative processes, and shaping political discourse. Since the 1980s, we have seen instances where parties have adapted to changing political landscapes, enhancing their organization, fundraising capabilities, and candidate recruitment. This adaptation suggests that parties have not only survived but have also reinforced their influence in American politics.

The increasing polarization in party identification and the corresponding resurgence of partisan loyalty among voters serve as further evidence of party strength. Voters are showing greater alignment with party platforms and priorities rather than drifting towards independence, which counters the belief of a decline in party significance. This refutes the party decline thesis by illustrating that political parties remain vital to the functioning of the American political system.