Explaining the salience of secessionist party constitutional demands for independence

Figures & data

Table 1. An expanded framework of key factors affecting the salience of pro-independence party territorial demands.

Internal	External
	State-level	Sub-state level
Party ideology (original factor)	Territorial structure of the state (original factor)	Dynamics of party competition (original factor)
Internal power relations (original factor)	Dynamics of multi-level politics (original factor)	Public opinion on constitutional preferences (original factor)
Whether or not a party seeks to enter government (original factor)	Incumbent party at central government level (new factor)
	Impact of regionalist parties in another part of the state (new factor)

Figure 1 . Share of territorial demands, Plaid Cymru, 2003–2021 (% of all territorial demands made).

Figure 2 . Main configurations of Plaid Cymru territorial demands per election, 2016–2021 (% of all territorial demands made).