National Wealth complements GDP by showing whether current production is being supported by a strengthening or weakening asset base. GDP records annual economic activity, whereas wealth accounting examines produced capital, financial assets, natural resources, and, in some frameworks, human capital. This distinction helps analysts interpret whether growth is building longer-term capacity or drawing down resources that support future living standards.
Depreciation and depletion prevent an accounting system from treating asset use as costless. Depreciation reduces the recorded value of produced capital as buildings or infrastructure wear out, while depletion reflects the reduction of natural resources. Including both clarifies whether an apparent increase in wealth reflects genuine accumulation or merely masks the loss of productive or environmental assets.
Human capital may be included in some frameworks but not others, so reported wealth can differ even when countries have similar underlying economic capacities. This choice affects interpretation of comparisons and of changes over time. Analysts must therefore identify which asset categories a framework recognizes before using its results to assess productivity, living standards, or long-term opportunities.
A rise in annual income does not by itself show that economic opportunities are being preserved. Wealth trends can indicate whether produced capital and other assets are accumulating while natural resources are being depleted or maintained. For macroeconomic analysis, this makes changes in wealth relevant to intergenerational sustainability, because today’s decisions may expand or narrow the asset base available in the future.
National wealth accounting first identifies the asset categories to be assessed, including produced capital, financial assets, natural resources, and, where applicable, human capital. It then assigns values to those categories and adjusts the results for depreciation and depletion. The resulting measures can be tracked over time to evaluate changes in economic capacity, sustainability, and resilience.
Policymakers can use these measures to evaluate public investment, environmental sustainability, and resource management alongside conventional indicators of annual output. The information helps connect asset changes with productivity, living standards, and economic resilience. It also supports assessment of whether policies preserve opportunities for future generations rather than focusing only on short-term production outcomes.