Central African Republic - Adjusted savings: natural resources depletion (% of GNI)

Adjusted savings: natural resources depletion (% of GNI) in Central African Republic was 0.000 as of 2019. Its highest value over the past 39 years was 0.057 in 1994, while its lowest value was 0.000 in 2019.

Definition: Natural resource depletion is the sum of net forest depletion, energy depletion, and mineral depletion. Net forest depletion is unit resource rents times the excess of roundwood harvest over natural growth. Energy depletion is the ratio of the value of the stock of energy resources to the remaining reserve lifetime. It covers coal, crude oil, and natural gas. Mineral depletion is the ratio of the value of the stock of mineral resources to the remaining reserve lifetime). It covers tin, gold, lead, zinc, iron, copper, nickel, silver, bauxite, and phosphate.

Source: World Bank staff estimates based on sources and methods described in "The Changing Wealth of Nations 2018: Building a Sustainable Future" (Lange et al 2018).

See also:

Year Value
1980 0.019
1981 0.009
1982 0.006
1983 0.018
1984 0.042
1985 0.023
1986 0.017
1987 0.031
1988 0.043
1989 0.012
1990 0.009
1991 0.015
1992 0.005
1993 0.005
1994 0.057
1995 0.009
1996 0.025
1997 0.017
1998 0.007
1999 0.004
2000 0.002
2001 0.003
2002 0.005
2003 0.002
2004 0.000
2005 0.002
2006 0.003
2007 0.003
2008 0.012
2009 0.020
2010 0.025
2011 0.034
2012 0.032
2013 0.035
2014 0.025
2015 0.021
2016 0.026
2017 0.035
2018 0.041
2019 0.000

Development Relevance: Natural resources depletion is a critical component in the calculation of adjusted net national income. Adjusted net national income is calculated by subtracting from GNI a charge for the consumption of fixed capital (a calculation that yields net national income) and for the depletion of natural resources. The deduction for the depletion of natural resources, which covers net forest depletion, energy depletion, and mineral depletion, reflects the decline in asset values associated with the extraction and harvest of natural resources - this is analogous to depreciation of fixed assets.

Limitations and Exceptions: Net forest depletion is not the monetary value of deforestation. Roundwood and fuelwood production are different from deforestation, which represents a permanent change in land use and, thus, is not comparable. Areas logged out but intended for regeneration are not included in deforestation figures; rather, they are counted as producing timber depletion. Net forest depletion includes only timber values and does not include the loss of nontimber forest benefits and nonuse benefits. For both energy and mineral depletion, unit resource rent is calculated as (unit price - average cost). Marginal cost should be used instead of average cost in order to calculate the true opportunity cost of extraction; however, marginal cost is difficult to compute and data are not readily available. Unit prices refer to international or regional price rather than local prices. This differs from methodologies of national accounts, which may use local prices to measure energy or mineral GDP. This difference explains eventual discrepancies in the values for energy or mineral depletion, verses energy or mineral GDP.

Statistical Concept and Methodology: Natural resources depletion is the sum of net forest depletion, energy depletion, and mineral depletion: Net forest depletion is the product of unit resource rents and the excess of roundwood harvest over natural growth. In a country where incremental growth exceeds wood extraction, net forest depletion would be zero, no matter the absolute volume or value of wood extracted. Energy depletion is the ratio of the present value of energy resource rents, discounted at 4 percent, to the exhaustion time of the resource. Rent is calculated as the product of unit resource rents and the physical quantities of energy resources extracted. It covers hard and soft coal, crude oil, and natural gas. Mineral depletion is the ratio of the present value of mineral resource rents, discounted at 4 percent, to the exhaustion time of the resource. Rent is calculated as the product of unit resource rents and the physical quantities of mineral extracted. It covers tin, gold, lead, zinc, iron, copper, nickel, silver, bauxite, and phosphate.

Aggregation method: Weighted average

Periodicity: Annual

Classification

Topic: Economic Policy & Debt Indicators

Sub-Topic: National accounts