Air transport, registered carrier departures worldwide, per square in Sierra Leone

Sierra Leone: Air transport, registered carrier departures worldwide, per square was 0.0297 units per square kilometre in 2012. ◆ Volatile

Latest (2012)
0.0297 units per square kilometre
Change on year
up 2.9%
World rank
137th
of 183 countries
All-time high
0.0443 units per square kilometre
in 1980
All-time low
0 units per square kilometre
in 1997
Years of data
36
1975–2012

Air transport, registered carrier departures worldwide, per square in Sierra Leone, 1975–2012

00.010.020.030.041975199320121975: 0.026 units per square kilometre1976: 0.042 units per square kilometre1977: 0.043 units per square kilometre1978: 0.043 units per square kilometre1979: 0.043 units per square kilometre1980: 0.044 units per square kilometre1981: 0.008 units per square kilometre1982: 0.008 units per square kilometre1983: 0.008 units per square kilometre1984: 0.043 units per square kilometre1985: 0.043 units per square kilometre1986: 0.043 units per square kilometre1987: 0.026 units per square kilometre1988: 0.021 units per square kilometre1989: 0.01 units per square kilometre1990: 0.007 units per square kilometre1992: 0.001 units per square kilometre1993: 0.001 units per square kilometre1994: 0.003 units per square kilometre1995: 0.003 units per square kilometre1996: 0.003 units per square kilometre1997: 0 units per square kilometre1998: 0 units per square kilometre2000: 0.003 units per square kilometre2001: 0.002 units per square kilometre2002: 0.002 units per square kilometre2003: 0.002 units per square kilometre2004: 0.002 units per square kilometre2005: 0.002 units per square kilometre2006: 0.002 units per square kilometre2007: 0.003 units per square kilometre2008: 0.003 units per square kilometre2009: 0.003 units per square kilometre2010: 0 units per square kilometre2011: 0.029 units per square kilometre2012: 0.03 units per square kilometre

Source: Statizoid (derived). Measured in units per square kilometre.

Analysis

The most recent figure for air transport, registered carrier departures worldwide, per square in Sierra Leone is 0.0297 units per square kilometre, measured in 2012.

That represents a change of up 2.9% on the previous year and up 1,454.3% over ten years.

Over the whole period, air transport, registered carrier departures worldwide, per square in Sierra Leone peaked at 0.0443 units per square kilometre in 1980 and was at its lowest, 0 units per square kilometre, in 1997.

Sierra Leone ranks 137th of 183 countries on this measure, in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Air transport, registered carrier departures worldwide, per square in Sierra Leone, year by year

Annual values for Air transport, registered carrier departures worldwide, per square kilometre in Sierra Leone, 1975 to 2012.
Year units per square kilometre Change
1975 0.0263 units per square kilometre
1976 0.0416 units per square kilometre +57.9%
1977 0.0429 units per square kilometre +3.3%
1978 0.0429 units per square kilometre +0.0%
1979 0.0429 units per square kilometre +0.0%
1980 0.0443 units per square kilometre +3.2%
1981 0.0083 units per square kilometre -81.2%
1982 0.0083 units per square kilometre +0.0%
1983 0.0083 units per square kilometre +0.0%
1984 0.0429 units per square kilometre +416.7%
1985 0.0429 units per square kilometre +0.0%
1986 0.0429 units per square kilometre +0.0%
1987 0.0263 units per square kilometre -38.7%
1988 0.0208 units per square kilometre -21.1%
1989 0.0097 units per square kilometre -53.3%
1990 0.0069 units per square kilometre -28.6%
1992 0.0014 units per square kilometre -80.0%
1993 0.0014 units per square kilometre +0.0%
1994 0.0028 units per square kilometre +100.0%
1995 0.0028 units per square kilometre +0.0%
1996 0.0028 units per square kilometre +0.0%
1997 0 units per square kilometre -100.0%
1998 0 units per square kilometre
2000 0.0028 units per square kilometre
2001 0.0019 units per square kilometre -31.2%
2002 0.0019 units per square kilometre -0.7%
2003 0.0019 units per square kilometre +0.0%
2004 0.0022 units per square kilometre +13.0%
2005 0.0023 units per square kilometre +5.1%
2006 0.0024 units per square kilometre +4.3%
2007 0.0025 units per square kilometre +7.0%
2008 0.0025 units per square kilometre -1.1%
2009 0.0026 units per square kilometre +2.8%
2010 0 units per square kilometre -100.0%
2011 0.0289 units per square kilometre
2012 0.0297 units per square kilometre +2.9%

Averages by decade

DecadeAverage LowestHighest Years
1970s 0.0393 units per square kilometre 0.0263 units per square kilometre 0.0429 units per square kilometre 5
1980s 0.0255 units per square kilometre 0.0083 units per square kilometre 0.0443 units per square kilometre 10
1990s 0.0023 units per square kilometre 0 units per square kilometre 0.0069 units per square kilometre 8
2000s 0.0023 units per square kilometre 0.0019 units per square kilometre 0.0028 units per square kilometre 10
2010s 0.0195 units per square kilometre 0 units per square kilometre 0.0297 units per square kilometre 3

Countries ranked near Sierra Leone

  1. 134 Lithuania 0.0354 units per square kilometre compare
  2. 135 Kazakhstan 0.0331 units per square kilometre compare
  3. 136 Algeria 0.0305 units per square kilometre compare
  4. 138 Kyrgyzstan 0.0287 units per square kilometre compare
  5. 139 Syrian Arab Republic 0.0279 units per square kilometre compare
  6. 140 Venezuela, Bolivarian Republic of 0.0264 units per square kilometre compare

See the full ranking of 230 places →

More infrastructure data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is air transport, registered carrier departures worldwide, per square in Sierra Leone?
Air transport, registered carrier departures worldwide, per square in Sierra Leone was 0.0297 units per square kilometre in 2012, according to Statizoid (derived).
What is the highest air transport, registered carrier departures worldwide, per square recorded in Sierra Leone?
The highest recorded value was 0.0443 units per square kilometre in 1980.
What is the lowest air transport, registered carrier departures worldwide, per square recorded in Sierra Leone?
The lowest recorded value was 0 units per square kilometre in 1997.
How does Sierra Leone rank for air transport, registered carrier departures worldwide, per square?
Sierra Leone ranks 137th out of 183 countries with data for 2012.
Is air transport, registered carrier departures worldwide, per square rising or falling in Sierra Leone?
Over the last ten years it is up 1,454.3%. The long-run trend across the full record is volatile.
Where does this Sierra Leone data come from?
The figures come from Statizoid (derived), published as part of Air transport, registered carrier departures worldwide, per square kilometre. Statizoid updates them automatically from the source API.

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Air transport, registered carrier departures worldwide, per square in Sierra Leone. Statizoid, drawing on Statizoid (derived). Retrieved 04 September 2026, from https://infrastructure.statizoid.com/stat/air-transport-registered-carrier-departures-worldwide-per-square-kilometre/sierra-leone/

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How this figure is calculated

Air transport, registered carrier departures worldwide 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.

Air transport, registered carrier departures worldwide ÷ Land area (sq. km)

Computed from

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

Indicator
Air transport, registered carrier departures worldwide, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
230 places, 10,074 data points, 1970–2023
Last refreshed

Air transport, registered carrier departures worldwide 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.