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Research > Chart of the Week Posts > Chart of the Week
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January 26, 2012
The Changing Composition of Consumption
By Doug Oest, CAIA, Managing Partner
It is common to hear that consumption contributes 65 to 70% of total GDP, hence its importance to economic growth. More insightful, though, is to understand the underlying components of consumption and how accurately it truly reflects consumption on behalf of consumers. To do this, we use the Personal Consumption Expenditures (PCE) data which is the source of that 65 – 70% number. Critically, one must understand the elements of PCE data: in addition to the traditional consumption items (clothing, electronics, food and drink, housing, transportation, etc.), non-profit spending and expenditures made “on behalf” of consumers, such as Medicare and Medicaid, are also included. While traditional “active” consumer spending undoubtedly makes up a large percentage of G.D.P., increased spending on health care (through Medicare and Medicaid) over time has likely overstated this popular statistic.
Indeed, this is reflected in the historical data: in 1959, over 73% of consumer spending was spent in four main traditional consumer spending categories: housing, transportation, food and drink, and personal care/clothing. Over the last 50 years, the percentage spent on these four categories decreased to just over 50% of all spending in 2011. The biggest reason for the change is increased spending on healthcare - it accounted for less than 6% of overall PCE in 1959, while today it accounts for nearly 20%. This massive increase has certainly decreased the percentage of total PCE that is attributable to traditional, active consumer spending choices.
PCE is not a great indicator of average consumer expenditures, because the “spending” on Medicare and Medicaid is not distributed evenly among consumers, nor is it an “elected” expenditure in that consumers freely choose to spend or not spend on the two items. So if consumers aren’t actually spending 20% of their expenditures on healthcare, what are they buying? To get a sense for what consumers are actually spending their money on, the Bureau of Labor Statistics performs a survey called the Consumer Expenditure Survey that attempts to collect data on the spending habits of American consumers. Based on these results, healthcare accounts for less than 7% of annual spending for the average consumer.
| Category |
% of Avg. Annual Expenditures |
| Food |
12.7% |
| Housing |
34.4% |
| Apparel and services |
3.5% |
| Transportation |
16.0% |
| Healthcare |
6.6% |
| Entertainment |
5.2% |
| Cash contributions |
3.4% |
| Personal insurance and pensions |
11.2% |
| Other |
7.0% |
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