Banco de Portugal's June Boletim Económico Cuts the 2026 Deficit Forecast to 0.2% of GDP — Net Expenditure Trajectory Breaches the Brussels Commitment as Iran-War Severe Scenario Lifts 2027 Inflation to 4.3%

The Banco de Portugal (BdP, Bank of Portugal) presented its Boletim Económico de junho (June Economic Bulletin) at 11:00 on Monday, 15 June 2026, at the central bank's Rua do Comércio headquarters in Lisbon, with Governor Álvaro Santos Pereira walking the press through a base-scenario forecast that cuts the 2026 deficit projection from 0.4% to 0.2% of GDP, keeps GDP growth at 1.8%, lifts inflation to 3.1%, and locks the public-debt glide path at 85.7% of GDP this year, 82.5% in 2027 and 79.5% in 2028. Underneath the headline numbers sit two warnings that frame the rest of the OE2027 (Orçamento do Estado para 2027, 2027 State Budget) cycle: net expenditure is now projected to grow above what Portugal committed to in its medium-term fiscal-structural plan with Brussels, and the Iran-war severe scenario carries 2027 inflation to 4.3% with a 0.5-percentage-point GDP drag.

The 0.2% Deficit Cut and What Changed Since the March Print

In the Boletim Económico de março the BdP penciled in a 0.4% deficit for 2026. On Monday the central bank halved that to 0.2%, citing two offsetting movements. First, the actual 2025 outturn closed with a budget surplus larger than the institution had estimated in March — a carry-over effect that Santos Pereira described as "bastante significativo do lado positivo" ("quite significant on the positive side"). Second, the projection now absorbs the cost of the economic-support measures rolled out after the early-2026 storm cycle that hit Ansião, the Centro region and the Norte interior. With those two adjustments stacked, the BdP lands at 0.2% for 2026 and at 0.5% for both 2027 and 2028, the same trajectory the Governor described as "muito perto do zero" ("very close to zero") — leaving, in his words, "eventualmente alguma margem" for the headline to drift into the equilibrium territory the Government has publicly forecast.

The other side of that arithmetic is the revenue glide path. The BdP now expects the share of tax and contribution receipts in GDP to fall in 2026 after the 2025 jump. Excluding discretionary measures, the central bank notes that the multi-year run-up in this ratio reflected nominal-GDP tracking — and that part of the lift came from "um aumento da imigração que aconteceu nos últimos anos", the immigration uptick that fed payroll-linked social-security contributions through the Tier 1 immigration regimes (D-series visas, Autorização de Residência, the Cartão de Residência de Cidadão da UE). With contributions decelerating in real terms and the tax base no longer outpacing nominal output, the room created by the carry-over could narrow quickly if 2027 revenues underperform.

The Net Expenditure Rule Warning

The warning that dominated the questions in the room is the projected breach of Portugal's net expenditure ceiling. Portugal's medium-term fiscal-structural plan (Plano Estrutural de Médio Prazo) submitted to the European Commission under the revised Stability and Growth Pact (Regulation (EU) 2024/1263) sets a binding net-expenditure growth path. The BdP's projections — which Santos Pereira said are "bastante parecidas com as da Comissão Europeia", very similar to the Commission's own working numbers — show Portugal's net spending rising above that commitment.

Under the new fiscal framework, a sustained breach of the net-expenditure rule is one of the triggers for a Procedimento por Défice Excessivo (PDE, Excessive Deficit Procedure). The Governor pushed back hard against that read on Monday morning: Portugal sits with one of the cleanest budget positions in the Euro Area — a near-zero deficit, a primary surplus and a debt-to-GDP ratio that has fallen for four consecutive years — and the BdP's view is that those structural anchors should keep the country out of an EDP track even with the expenditure overshoot on the books.

The Debt Glide Path and the OE Warning

The public-debt projection is where the BdP is least equivocal. The June print pencils the debt ratio at 85.7% of GDP at year-end 2026, falling to 82.5% in 2027 and 79.5% in 2028 — the first time the projection breaks the 80% line since 2009. The Governor reinforced his standing message to the Ministério das Finanças (Ministry of Finance) and Finance Minister Miranda Sarmento ahead of the OE2027 calendar: "o endividamento é elevado". The 79.5% landing point is well above the 60% Maastricht reference, and the BdP's risk paragraph flags that any reversal in the primary-surplus posture, any large discretionary-spend opening (Pacote Defesa, PRR top-up, energy-bill absorption envelope), or any prolonged trade shock could push the ratio back above 85% inside the projection horizon.

Three Iran-War Scenarios on Growth and Inflation

The macro base case holds the previous March projection on output: GDP growth of 1.8% in 2026, 1.6% in 2027 and 1.8% in 2028. What did move is inflation. The June print lifts 2026 IHPC (Índice Harmonizado de Preços no Consumidor, Harmonised Index of Consumer Prices) to 3.1% — up from 2.8% in the March bulletin — before converging back to roughly 2% over 2027–28. The lift reflects oil and refined-product pass-through from the Israel-Iran flare-up, plus stickier services inflation that Santos Pereira flagged as "mais pressões nos preços, quer em bens energéticos, quer nos serviços".

Following the European Central Bank's playbook, the BdP layers three alternative scenarios on top of the base. The moderate scenario tracks closely to base with marginally lower inflation. The adverse scenario shaves GDP by 0.1pp in 2026, 0.2pp in 2027 and 0.1pp in 2028, with inflation running 0.2pp / 0.6pp / 0.4pp higher across the horizon. The severe scenario — the tail risk if the Strait of Hormuz reopening accord between Washington and Tehran collapses before the 19 June Switzerland signing — pulls GDP down by 0.2pp in 2026, 0.5pp in 2027 and 0.2pp in 2028, and lifts inflation to 3.8% in 2026, 4.3% in 2027 and 3.3% in 2028.

What It Means for Expat Households and Businesses

For expat residents and Portuguese-domiciled businesses the read-across is layered. On the inflation side, the base case 3.1% for 2026 — and the severe-scenario 3.8% — bears directly on the cost-of-living envelope behind rents (the IAS-indexed lease-update coefficient lands every December), groceries (the IVA Zero food basket expired in 2024), energy bills (despite the Tarifa Social and ASECE absorption layers) and imported services priced in euros. On the fiscal side, a 0.2% deficit and a falling debt ratio support continued spread compression on Portuguese sovereign debt — relevant for mortgage spreads, given the OE2026 fixed-spread regulation and the 1 July 2026 entry into force of the 45% taxa de esforço cap on new housing-credit DSTI ratios. On the tax side, the projected drop in receipt-to-GDP narrows the discretionary space behind the IRC-cut glide path, the IRS Jovem 100/75/50/25 schedule and the IFICI activation layer, all three of which sit inside the 30 June 2026 close of the current Modelo 3 filing cycle — a signal that the OE2027 negotiation will be tighter than the OE2026 round.

The Calendar Ahead

The next BdP deliverable in the same series is the Boletim Económico de outubro, due in early October ahead of the OE2027 envelope's submission to the Assembleia da República (Assembly of the Republic). Between now and then the EU calendar carries the 24–26 June NATO Hague summit (defence-spending pledge), the 1 July entry into force of the 45% DSTI cap, the 30 June Modelo 3 IRS close, the 16 July ANA Aeroporto Luís de Camões Technical Report submission to Conselho de Ministros, the 31 August PRR milestone cutoff and the November European Semester autumn package — each of which can move the inputs the June bulletin assumes hold steady. Santos Pereira closed the press conference with the line he has repeated through every Lisbon outing this year: "Tudo depende do Governo e da evolução da economia. Se a economia melhorar, isso vai ajudar na receita fiscal."