Foreign Policy: How Party Voters Are Responding to Starmer’s Global Strategy

As Britain reasserts its global presence under Keir Starmer’s leadership, foreign policy is emerging not just as a secondary concern but a defining line in the sand between political tribes. Whether through diplomatic appearances with world leaders, support for Ukraine or positioning the UK as a force for global stability, the Labour government is seeking to rebuild Britain’s international reputation. But the latest polling reveals a deeply divided electorate, with differences in how voters from each party view Britain’s foreign direction.

Starmer’s Ukraine Diplomacy: Strong Support

Keir Starmer’s recent appearance at the Washington summit on Ukraine, alongside Donald Trump and European allies, offers an insightful barometer of public sentiment toward his diplomatic approach. A clear majority of voters, 55% approve of Starmer’s involvement (20% strongly, 35% somewhat), while just 26% disapprove. However, the aggregate numbers conceal a fractured political landscape.

It is important to note that Starmer has majority support from all UK political party’s, a rarity in today’s polarised political climate. But among Labour voters, the verdict is emphatically positive: 82% approve of Starmer’s engagement, including 43% who strongly approve. Lib Dem voters follow suit, with 62% expressing support.

But approval drops off slightly on the right. 60% of Conservatives approve and although the majority approve overall, just 43% of Reform UK voters support Starmer’s summit diplomacy, which is a lot lower than voters of other parties. Strikingly, 18% say they “don’t know”  suggesting either disengagement, scepticism or distrust of international affairs.

NATO-Style Guarantees for Ukraine: A Divided Consensus

When asked whether they would support NATO-style security guarantees for Ukraine even without a ceasefire, a slim majority of Britons lean toward support but this headline figure conceals sharp differences across political and demographic lines. In total, 56% of voters support the idea, including 22% who say they “strongly support” it and 34% who “somewhat support”. Opposition stands at 23% (14% somewhat, 9% strongly), while another 22% say they “don’t know”, signalling widespread ambivalence or uncertainty about deeper military commitments.

Among party groups, Labour voters are among the most supportive: 66% back the policy (26% strongly), with just 23% opposed and 10% unsure. Liberal Democrat voters show similarly high support at 64% (28% strongly), with only 18% opposed. Green Party voters (41% support, 30% opposed) and SNP voters (45% support, 6% opposed) also lean toward backing guarantees.

Support is also strong on the centre-right. Among Conservative voters, like Labour supporters 66% support the proposal (28% strongly) and only 15% oppose. For Reform UK voters, a group that consistently shows resistance to deepening international commitments, a staggering 58% support NATO-style guarantees for Ukraine (19% strongly), while 24% are opposed. A significant 20% say they “don’t know,” suggesting not only scepticism but a broader mistrust of foreign policy under the current government.

Demographically, men are more likely to support NATO-style guarantees (63%) than women (48%). Age differences are more marked: support is higher among the older generation with 61% of those aged 65+ supporting compared to 49% of those aged among 18–24.

The overall picture is one of qualified cross-party support and amongst all ages but driven more by progressive parties and older voters. This suggests that the Labour government has the political room to advance NATO-style guarantees.

Confidence in Britain’s Global Role: A Nation Split

The question of Britain’s role on the world stage reveals a more polarised electorate. When asked whether recent international events have made them feel more or less confident in Britain’s position as a global leader, voters are evenly divided: 42% say they feel more confident, while 46% feel less confident and 13% say they don’t know.

Optimism is concentrated among Labour’s political base. 60% of Labour voters say they feel more confident in Britain’s global leadership, including 20% who feel “much more confident”, while just 12% feel less confident. Liberal Democrat voters are more split, with 49% more confident and just 41% less.

By contrast, confidence drops sharply on the right. Just 39% of Conservative voters feel more confident in Britain’s global role, compared to 48% who feel less confident. The outlook is even more negative among Reform UK supporters: 66% feel less confident, including a substantial 33% who feel “much less confident”, while just 23% feel more confident. Notably, Reform voters also display the highest intensity of negative sentiment, underscoring the party’s persistent opposition to Britain’s current foreign policy trajectory.

Age differences are also telling. Younger voters, particularly those aged 25–34, are more likely to feel more confident in Britain’s global leadership (55%), while confidence falls among older voters, especially those over 65, where just 33% feel more confident and 51% feel less.

Regionally, London once again emerges as a centre of optimism, with 64% of Londoners saying they feel more confident in Britain’s global leadership. Meanwhile, confidence is lowest in Wales (28%) and the Eastern region (31%).

Keir Starmer’s foreign policy strategy has achieved broad support on key issues like Ukraine diplomacy and NATO-style guarantees, with majorities in every party, an unusual feat in today’s divided politics. As Labour continues to shape Britain’s international role, the challenge will be maintaining cross-party support while addressing the doubts of a significant portion of the electorate who remain unsure, unconvinced or quietly disengaged.

Download the data tables for this poll.