How have things changed?, per square kilometre in Hong Kong
Hong Kong: How have things changed?, per square kilometre was 84.42 metric tons per square kilometre in 2023. ▬ Flat
Latest (2023)
84.42 metric tons per square kilometre
Change on year
up 10.0%
World rank
9th
of 215 countries
All-time high
244.96 metric tons per square kilometre
in 1989
All-time low
63.28 metric tons per square kilometre
in 1966
Years of data
59
1965–2023
How have things changed?, per square kilometre in Hong Kong, 1965–2023
Source: Statizoid (derived). Measured in metric tons per square kilometre.
Analysis
Hong Kong recorded 84.42 metric tons per square kilometre for how have things changed?, per square kilometre in 2023.
Compared with earlier readings it is up 10.0% on the previous year and down 49.0% over ten years.
Over the whole period, how have things changed?, per square kilometre in Hong Kong peaked at 244.96 metric tons per square kilometre in 1989 and was at its lowest, 63.28 metric tons per square kilometre, in 1966.
That places Hong Kong 9th out of 215 countries with data for 2023, putting it in the top 10%.
How have things changed?, per square kilometre in Hong Kong, year by year
| Year | metric tons per square kilometre | Change |
|---|---|---|
| 1965 | 65.55 metric tons per square kilometre | — |
| 1966 | 63.28 metric tons per square kilometre | -3.5% |
| 1967 | 66.79 metric tons per square kilometre | +5.5% |
| 1968 | 109.98 metric tons per square kilometre | +64.7% |
| 1969 | 115.16 metric tons per square kilometre | +4.7% |
| 1970 | 133.66 metric tons per square kilometre | +16.1% |
| 1971 | 125.56 metric tons per square kilometre | -6.1% |
| 1972 | 132.74 metric tons per square kilometre | +5.7% |
| 1973 | 125.99 metric tons per square kilometre | -5.1% |
| 1974 | 139.68 metric tons per square kilometre | +10.9% |
| 1975 | 149.69 metric tons per square kilometre | +7.2% |
| 1976 | 155.7 metric tons per square kilometre | +4.0% |
| 1977 | 158.74 metric tons per square kilometre | +2.0% |
| 1978 | 162.94 metric tons per square kilometre | +2.6% |
| 1979 | 189.93 metric tons per square kilometre | +16.6% |
| 1980 | 194.68 metric tons per square kilometre | +2.5% |
| 1981 | 182.51 metric tons per square kilometre | -6.3% |
| 1982 | 183 metric tons per square kilometre | +0.3% |
| 1983 | 191.19 metric tons per square kilometre | +4.5% |
| 1984 | 202.42 metric tons per square kilometre | +5.9% |
| 1985 | 200.2 metric tons per square kilometre | -1.1% |
| 1986 | 215.71 metric tons per square kilometre | +7.8% |
| 1987 | 230.41 metric tons per square kilometre | +6.8% |
| 1988 | 240.57 metric tons per square kilometre | +4.4% |
| 1989 | 244.96 metric tons per square kilometre | +1.8% |
| 1990 | 236.86 metric tons per square kilometre | -3.3% |
| 1991 | 233.24 metric tons per square kilometre | -1.5% |
| 1992 | 231.83 metric tons per square kilometre | -0.6% |
| 1993 | 229.13 metric tons per square kilometre | -1.2% |
| 1994 | 222.2 metric tons per square kilometre | -3.0% |
| 1995 | 193.88 metric tons per square kilometre | -12.7% |
| 1996 | 183.12 metric tons per square kilometre | -5.5% |
| 1997 | 185.06 metric tons per square kilometre | +1.1% |
| 1998 | 177.56 metric tons per square kilometre | -4.1% |
| 1999 | 127.46 metric tons per square kilometre | -28.2% |
| 2000 | 154.29 metric tons per square kilometre | +21.0% |
| 2001 | 171.05 metric tons per square kilometre | +10.9% |
| 2002 | 165.8 metric tons per square kilometre | -3.1% |
| 2003 | 154.57 metric tons per square kilometre | -6.8% |
| 2004 | 163.96 metric tons per square kilometre | +6.1% |
| 2005 | 158.19 metric tons per square kilometre | -3.5% |
| 2006 | 151.11 metric tons per square kilometre | -4.5% |
| 2007 | 151.11 metric tons per square kilometre | +0.0% |
| 2008 | 155.12 metric tons per square kilometre | +2.7% |
| 2009 | 155.99 metric tons per square kilometre | +0.6% |
| 2010 | 164.14 metric tons per square kilometre | +5.2% |
| 2011 | 165.87 metric tons per square kilometre | +1.1% |
| 2012 | 151.74 metric tons per square kilometre | -8.5% |
| 2013 | 165.61 metric tons per square kilometre | +9.1% |
| 2014 | 156.84 metric tons per square kilometre | -5.3% |
| 2015 | 141.99 metric tons per square kilometre | -9.5% |
| 2016 | 140.03 metric tons per square kilometre | -1.4% |
| 2017 | 125.45 metric tons per square kilometre | -10.4% |
| 2018 | 122.32 metric tons per square kilometre | -2.5% |
| 2019 | 120.68 metric tons per square kilometre | -1.3% |
| 2020 | 117.39 metric tons per square kilometre | -2.7% |
| 2021 | 113.51 metric tons per square kilometre | -3.3% |
| 2022 | 76.72 metric tons per square kilometre | -32.4% |
| 2023 | 84.42 metric tons per square kilometre | +10.0% |
Hong Kong compared with similar countries
- Hong Kong's 84.42 metric tons per square kilometre is above the median for high income countries, which is 1.48 metric tons per square kilometre, 56.9× the median. (85 countries reporting)
- Hong Kong's 84.42 metric tons per square kilometre is above the median for East Asia & Pacific, which is 4.99 metric tons per square kilometre, 16.9× the median. (37 countries reporting)
Biggest year-on-year movements
Years where How have things changed?, per square kilometre in Hong Kong changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1968 | +64.7% | 66.79 metric tons per square kilometre | 109.98 metric tons per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 84.15 metric tons per square kilometre | 63.28 metric tons per square kilometre | 115.16 metric tons per square kilometre | 5 |
| 1970s | 147.46 metric tons per square kilometre | 125.56 metric tons per square kilometre | 189.93 metric tons per square kilometre | 10 |
| 1980s | 208.57 metric tons per square kilometre | 182.51 metric tons per square kilometre | 244.96 metric tons per square kilometre | 10 |
| 1990s | 202.03 metric tons per square kilometre | 127.46 metric tons per square kilometre | 236.86 metric tons per square kilometre | 10 |
| 2000s | 158.12 metric tons per square kilometre | 151.11 metric tons per square kilometre | 171.05 metric tons per square kilometre | 10 |
| 2010s | 145.47 metric tons per square kilometre | 120.68 metric tons per square kilometre | 165.87 metric tons per square kilometre | 10 |
| 2020s | 98.01 metric tons per square kilometre | 76.72 metric tons per square kilometre | 117.39 metric tons per square kilometre | 4 |
Countries ranked near Hong Kong
- 6 Kiribati 318.01 metric tons per square kilometre compare
- 7 Seychelles 302.71 metric tons per square kilometre compare
- 8 Micronesia (country) 236.21 metric tons per square kilometre compare
- 10 Malta 71.4 metric tons per square kilometre compare
- 11 Macao 45.45 metric tons per square kilometre compare
- 12 South Korea 37.98 metric tons per square kilometre compare
More reference data data for Hong Kong
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0012 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0011 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.0072 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0 (1990)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.0072 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.004 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.0056 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.0052 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.0347 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0 (1990)
Frequently asked questions
- What is how have things changed?, per square kilometre in Hong Kong?
- How have things changed?, per square kilometre in Hong Kong was 84.42 metric tons per square kilometre in 2023, according to Statizoid (derived).
- What is the highest how have things changed?, per square kilometre recorded in Hong Kong?
- The highest recorded value was 244.96 metric tons per square kilometre in 1989.
- What is the lowest how have things changed?, per square kilometre recorded in Hong Kong?
- The lowest recorded value was 63.28 metric tons per square kilometre in 1966.
- How does Hong Kong rank for how have things changed?, per square kilometre?
- Hong Kong ranks 9th out of 215 countries with data for 2023.
- Is how have things changed?, per square kilometre rising or falling in Hong Kong?
- Over the last ten years it is down 49.0%. The long-run trend across the full record is flat.
- Where does this Hong Kong data come from?
- The figures come from Statizoid (derived), published as part of How have things changed?, per square kilometre. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 59 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
How have things changed? divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
How have things changed? ÷ Land area (sq. km)
Computed from
- How have things changed? Food and Agriculture Organization of the United Nations (FAO), via World Bank (2026) – processed by Our World in Data
- Land area FAOSTAT, Food and Agriculture Organization of the United Nations (FAO)
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
How have things changed? divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.