Fact · economy · 2005–
Linked Exchange Rate convertibility undertakings
聯繫匯率兌換保證
Figure and reference date
HK$7.75–7.85 per US$1
7.75–7.85 港元兌 1 美元
Notes and definition
Strong-side convertibility at 7.75 and weak-side at 7.85. The Linked Exchange Rate System has been in place since 17 October 1983.
Other figures in this group (economy)
Figures in the same group are not necessarily additive — check the basis note above first. Economy.
| Item / 項目 | Figure / 數字 | As of / 時點 | Source / 來源 |
|---|---|---|---|
| Legal tender 法定貨幣 | Hong Kong dollar 港元 | 2026-07 | Hong Kong Fact Sheet |
| Gross domestic product (government website figure) 本地生產總值（政府網站數字） | HK$3,329.8 billion 33,298 億港元 GovHK page as of July 2026. The statistical publication’s separate figure for the same year is fact entry gdp-2025-censtatd; the two outlets’ figures must not be swapped or added — name the outlet you quote. | 2025 | Hong Kong Fact Sheet |
| Gross domestic product (statistical publication) 本地生產總值（統計處刊物數字） | HK$3,331.8 billion 33,318 億港元 Hong Kong in Figures 2026, at current market prices; the publication marks the figure as subject to later revision. The government website figure is fact entry gdp-2025-govhk; the two must not be swapped or added. | 2025 | Hong Kong in Figures, 2026 Edition |
| Per capita GDP 人均本地生產總值 | HK$444,044 444,044 港元 GovHK figure. The Census and Statistics Department lists HK$444,302 in the same-year publication, marked as revisable; it has no fact entry here, so it is not cited as a second basis. | 2025 | Hong Kong Fact Sheet |
| Real GDP growth 本地生產總值實質增長 | 3.6% 3.6% | 2025 | Hong Kong Fact Sheet |
| Ranking among world trading economies 全球貿易經濟體排名 | 5th 第 5 位 As stated on GovHK; the mainland of China is the principal trading partner. | 2026-07 | Hong Kong Fact Sheet |
| Merchandise imports (c.i.f.) 商品進口貨值（到岸價） | HK$5,686.8 billion 56,868 億港元 Based on import/export declarations. Not directly comparable with national-accounts imports of goods compiled on the change-of-ownership principle. Trade with the mainland is included. | 2025 | Hong Kong in Figures, 2026 Edition |
| Merchandise total exports (f.o.b.) 商品整體出口貨值（離岸價） | HK$5,240.3 billion 52,403 億港元 Based on import/export declarations, not national-accounts exports of goods. | 2025 | Hong Kong in Figures, 2026 Edition |
| Total merchandise trade 商品貿易總額 | HK$10,927.1 billion 109,271 億港元 | 2025 | Hong Kong in Figures, 2026 Edition |
| Merchandise imports from Chinese Mainland 自中國內地商品進口 | HK$2,491.8 billion 24,918 億港元 | 2025 | Hong Kong in Figures, 2026 Edition |
| Merchandise total exports to Chinese Mainland 對中國內地商品整體出口 | HK$3,128.5 billion 31,285 億港元 | 2025 | Hong Kong in Figures, 2026 Edition |
| Composite Consumer Price Index 綜合消費物價指數 | 108.9 108.9 October 2019 – September 2020 = 100. | 2025 | Hong Kong in Figures, 2026 Edition |
45 more figures in this group are listed in Economy.
Verified questions that cite this figure
No. Hong Kong is a special administrative region of the People’s Republic of China, not a country — but the Basic Law gives it its own currency, customs territory, legal system and immigration regime, so the “special” is substantive.
How is Hong Kong different from mainland China?
Same sovereignty, different systems. Hong Kong keeps the common law, its own currency, a separate customs territory and its own immigration regime — the operational meaning of “one country, two systems”.
Why is fuel so expensive in Hong Kong?
Retail fuel prices are high because of fuel duty, scarce forecourt land, storage and transport costs, a concentrated market, and the currency peg that transmits dollar oil prices directly.
Why is the Hong Kong dollar pegged to the US dollar?
The Hong Kong dollar has been linked to the US dollar since 17 October 1983, with a convertibility undertaking between 7.75 and 7.85 HKD per USD.
How many banks issue Hong Kong banknotes?
Three: HSBC, Bank of China (Hong Kong) and Standard Chartered Bank (Hong Kong). Their notes are backed by the certificate of indebtedness arrangement administered by the HKMA.
Why does the Hong Kong stock market fall?
Daily swings come from fund flows, overseas markets, rate expectations, the currency and sector policy news. Longer-term moves follow earnings and liquidity — a single day’s fall is not by itself evidence about the economy.
What currency does Hong Kong use? What is the difference between HK$ and the US dollar?
The legal tender of Hong Kong is the Hong Kong dollar (code HKD, symbol HK$). Banknotes are issued by three note-issuing banks authorised by the Hong Kong Monetary Authority; coins are issued by the HKMA. The Hong Kong dollar is linked to the US dollar through the Linked Exchange Rate System, with a convertibility zone of 7.75 to 7.85.
What banks are there in Hong Kong, and how is the banking system put together?
Hong Kong runs a three-tier banking system: licensed banks (full banking business), restricted licence banks, and deposit-taking companies. The HKD is issued by three note-issuing banks under the linked exchange-rate convertibility undertakings, with the HKMA maintaining monetary stability and supervising banks.
What currency does Hong Kong use, and why does it have its own?
The Hong Kong dollar (HKD) is the official currency, issued by three note-issuing banks under a linked exchange-rate convertibility undertaking and supervised by the HKMA. Since 1983 the HKD has been pegged to the US dollar within a convertibility zone of 7.75 to 7.85 per USD.
Why does Hong Kong still have its own currency?
Because the Basic Law lets the Hong Kong SAR set its own monetary and financial policies, including its own legal tender. The Hong Kong dollar is pegged to the US dollar within the 7.75–7.85 band under the Linked Exchange Rate System, managed by the Hong Kong Monetary Authority — a separate monetary system from the mainland renminbi.
（已核對問題頁目前只有中文版；上面嘅英文標題同答案本身係資料檔嘅官方英文欄位。）
How to cite this figure
Hong Kong Story, “Linked Exchange Rate convertibility undertakings”, https://hongkongstory.org/en/facts/lers-band, data as at 2005– (retrieved ＿).
中文：香港紀事館，〈聯繫匯率兌換保證〉，https://hongkongstory.org/facts/lers-band，資料時點 2005–（查閱日期 ＿）。
Machine-readable: /api/v1/facts.json (id = lers-band) · OpenAPI 3.1 ·/llms.txt
Registered source
Hong Kong Monetary Authority
The official document carries no registered publication date, so only the retrieval date 2026-09-05 is given — no publication year is invented.
This site is a secondary compilation: the official text prevails. If the figure above differs from the official document, the official document is correct.