Consumer & Retail Digital Original Video

U.S. inflation jumped by 9.1% in June, a four-decade high: Here's what you need to know about inflation

Inflation hit a new high since 1981. What is inflation and what causes it?
VIDEO1:0501:05
Inflation hit a new high since 1981. What is inflation and what causes it?

Americans paid much higher prices for goods and services in June compared to a year earlier, as inflation continued to soar, the Bureau of Labor Statistics reported.

The consumer price index is one of the primary measures of inflation. CPI jumped to 9.1% last month from a year ago, above the 8.8% Dow Jones estimate. That marked the fastest pace for inflation in four decades.

Watch this video as CNBC's Emily Lorsch explains inflation and what causes it.

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