Hong Kong's Q1 GDP Surges 5.9% Year-on-Year, Exceeding Expectations; Goldman Sachs Upgrades Full-Year Forecast

Overview

The Goldman Sachs Global Macro Research team analyzed Hong Kong's preliminary Q1 2026 GDP data. The analysis revealed that real GDP grew 5.9% year-on-year, substantially outperforming both market consensus and Goldman Sachs' previous estimate of 3.5%. This robust growth is attributed to faster inventory accumulation and strengthening private consumption. Given the positive Q1 performance, Goldman Sachs has updated its 2026 annual real GDP growth forecast upward to 4.6% (previously 2.4%). However, the report cautions that the boost from inventory rebuilding is temporary and may lead to future corrections.

Core views

Internal demand drivers outweighed external headwinds in shaping Q1 2026 economic performance. On the domestic front, strong growth was propelled by investment (including inventory changes) and private consumption. Private consumption rose 5.0% year-on-year (previous period: 2.5%), contributing 3.3 percentage points to overall GDP growth (previous contribution: 1.7 percentage points). Government consumption grew 2.9% year-on-year (previous period: 1.5%), adding 0.4 percentage points. The contribution from investment (inclusive of inventory movements) surged dramatically, driving GDP growth by 11.2 percentage points (previous contribution: 6.1 percentage points), making it the primary catalyst behind the current quarter's outperformance. Externally, trade dynamics exerted a drag on growth. While goods exports expanded 23.8% year-on-year (previous period: 15.4%), imports grew at a faster pace of 29.9% (previous period: 18.2%), widening the merchandise trade deficit and subtracting 9.0 percentage points from GDP growth (previous impact: 4.3 percentage points drag). Service exports growth slowed down to 3.5% year-on-year (previous period: 4.7%), contributing only 0.1 percentage point (previous contribution: 0.4 percentage points). Overall, the report attributes the significant upside surprise in Q1 GDP largely to accelerated inventory accumulation. However, this effect is viewed as temporary, with potential for reversal in subsequent periods. Consequently, Goldman Sachs has adjusted its 2026 annual real GDP growth forecast upward to 4.6% (up from 2.4%) based on these new quarterly figures.

Analysis framework

Goldman Sachs employed a decomposition approach focusing on expenditure-based GDP components in this report. The analysis follows the structure: 'aggregate performance - component contributions disaggregation - internal vs external demand comparison - forward-looking assessment'. Firstly, comparisons between actual GDP growth rates (year-on-year and seasonally-adjusted quarter-on-quarter) against market expectations and prior-period data established the fact of Q1's outperformance. Subsequently, the report decomposed GDP into categories such as private consumption, government spending, investment (including inventory changes), and net exports of goods and services. It calculated each component's contribution to overall growth in terms of percentage points and compared them with the previous quarter, pinpointing inventory accumulation as the key driver behind the excess growth. In assessing forward outlook, the report applied general knowledge about inventory cycles, noting their temporary nature and potential for reverse impacts when inventories are fully replenished. Finally, based on the newly released Q1 data, Goldman Sachs made a mechanical adjustment to its annual growth forecast while highlighting the need to monitor upcoming detailed data releases.

Methodology notes

• Industry/Industry Analysis FrameworkQuantity-Price Decomposition

  Expenditure-Based GDP Component Disaggregation Analysis

  By breaking down GDP from the expenditure side into components like consumption, investment, and net exports, and calculating each component's contribution to overall growth in percentage points, one can accurately identify core drivers of economic expansion. This method helped pinpoint inventory accumulation as the main reason for Hong Kong's Q1 GDP outperformance

• Cycle and Business Cycle FrameworkInventory Cycle (Juglar)

  Temporary Nature of Inventory Replenishment and Correction Risks

  Inventory fluctuations are important sources of short-term economic volatility. When businesses collectively rebuild inventories, they temporarily boost GDP growth, but this effect is often unsustainable. Once inventories are fully replenished, future quarters might experience slower growth or even negative contributions (corrections/backloads). The report uses this insight to judge that Q1's strong growth cannot be sustained throughout the year

• Macroeconomic framework

  Mechanical Revision of Annual Forecasts (Mechanical Forecast Adjustment)

  This refers to adjusting annual forecasts solely because recent actual data exceeds expectations, without altering the qualitative understanding of annual growth trajectories or underlying mechanisms. The report applies this method to raise the annual forecast from 2.4% to 4.6% while preserving its cautious stance regarding potential reversals

Key data

• Q1 2026 Actual GDP YoY Growth5.9%Far exceeds market consensus and Goldman Sachs' prior estimate of 3.5%; previous period: 4.0%
• Q1 2026 Actual GDP Seq Adjusted QoQ Nonannualized Growth2.9%Significantly accelerates from 1.0% in Q4 2025
• Q1 2026 Private Consumption YoY Growth5.0%Contributes 3.3 percentage points to GDP growth; previous period: 2.5% (contributing 1.7 percentage points)
• Q1 2026 Investment Growth (Including Inventory Changes) Contribution11.2 percentage pointsMuch higher than previous period's contribution of 6.1 percentage points
• Q1 2026 Merchandise Trade Deficit Drag-9.0 percentage pointsImports growing at 29.9% outpace exports at 23.8%, increasing drag compared to previous period's 4.3 percentage points
• 2026 Full-Year Actual GDP Growth Forecast4.6%Goldman Sachs revised upward from 2.4%

Impact & implications

Despite Hong Kong's exceptionally strong Q1 economic performance, the underlying driver (inventory rebuilding) is considered temporary, suggesting possible future growth corrections. Therefore, the upside in Q1 did not prompt Goldman Sachs to upgrade its confidence in the economy's inherent annual growth momentum equally. The increase in the 2026 annual GDP forecast from 2.4% to 4.6% stems more from mechanical adjustments based on better-than-expected Q1 data rather than a fundamental change in expected annual trends. For markets, this implies avoiding linear extrapolation of Q1's strong year-over-year figures to predict full-year outcomes and being alert to potential slowdowns once inventory effects diminish.

Risks

• Temporary nature of inventory rebound boosting growth, potentially leading to future corrections
• Preliminary data may be subject to revisions

What to watch

• Government release of additional detailed GDP information on May 15th