Ankara, Turkey - Turkey's parliament on Tuesday ratified Sweden's NATO membership after more than a year of delays that upset Western efforts to show resolve in the face of Russia's war on Ukraine.

Lawmakers voted 287-55 in favor of the Nordic nation's bid to become the 32nd member of the alliance after it won the public backing of President Recep Tayyip Erdogan.

The Turkish leader is expected to sign Sweden's ratification document and conclude Ankara's role in the protracted saga in the coming days.

"Today we are one step closer to becoming a full member of NATO," Swedish Prime Minister Ulf Kristersson said on social media after the vote.

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NATO chief Jens Stoltenberg also welcomed the move — and urged Hungary to do the same.

"I also count on Hungary to complete its national ratification as soon as possible," he said, adding that "Sweden's membership makes NATO stronger and all of us safer."

Turkey's green light leaves Budapest as the last holdout in an accession process that Sweden and Finland began in response to Russia's invasion of Ukraine nearly two years ago.

Ankara forced the northern neighbors to split up their applications after finding fault with Sweden and approving Finland after a few rounds of talks.

Finland's membership last April doubled the length of NATO's border with Russia and boosted the defenses of three tiny Baltic nations that joined the bloc following the collapse of the former Soviet Union.

Sweden and Finland pursued a policy of military non-alignment during the Cold War era between the Soviet Union and the West.

But the Ukraine war upturned geopolitical calculations and forced the two to seek the nuclear protection afforded by the world's most powerful defense bloc.

Hungarian Prime Minister Viktor Orban on Tuesday invited his Swedish counterpart to Budapest to discuss the bid, although hints emerged of strains between Stockholm and Budapest.

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Orban and Erdogan have maintained good rapport with Russian President Vladimir Putin throughout the Ukraine war.

NATO leaders had feared that the Kremlin was trying to use the two mercurial leaders — both regular visitors to Moscow — to seed divisions in the West.

The bloc's commanders have cast the latest round of expansion as a show of Western resolve in the face of Russia's aggression.

Erdogan's objections to Sweden's bid initially focused on Stockholm's perceived acceptance of Kurdish groups that Ankara views as "terrorist."

Sweden responded by tightening its anti-terrorism legislation and taking other security steps demanded by Erdogan.

But Erdogan then turned his gaze on an unmet US pledge to deliver a batch of F-16 fighter jets that has met resistance in Congress because of Turkey's perceived backsliding on human rights and standoffs with fellow NATO member Greece.

Turkey also wants Canada to follow through on its promise to lift a ban on the sale of a key component used for making combat drones.

US Secretary of State Antony Blinken told Turkey over two visits in the past three months that the Swedish candidacy's ratification could help break congressional resistance to the F-16 sale.

Turkish opposition lawmaker Cengiz Candar said during Tuesday's ratification debate that Ankara had "blackmailed" its Western partners during the drawn out negotiation process.

"Turkey violated three pillars of foreign policy: predictability, credibility, and consistency," he said before voting for the bid.

Hungary had followed Turkey's lead during Finland's accession process and was largely expected to back Sweden's candidacy without much delay.

But Orban got tangled up in an unexpected tiff with Swedish leaders on Tuesday that revolved around his invitation for Kristersson to come and discuss Stockholm's candidacy in Budapest.

"I invite you to visit Hungary at your earliest convenience to exchange views on all issues of common interest," Orban wrote in the letter seen by AFP.

Orban then added in a social media statement that Kristersson should come to Hungary "to negotiate" Sweden's accession.

Swedish officials immediately countered that there was nothing to negotiate because — unlike Turkey — Hungary never presented conditions when Sweden was invited at the 2022 NATO summit in Madrid.

Swedish Foreign Minister Tobias Billstrom said he saw "no reason" to negotiate with Hungary about Stockholm's NATO candidacy "at this point."

"It is now time for Hungary to conclude the remaining steps so that we can welcome our Swedish friends into the Alliances," the German foreign ministry said after the Turkish vote.