If the consumer price index (CPI) was 100 in 1984, then 1984 was the Base year.
More about consumer price index:
A representative basket of products and services is used to calculate the Consumer Price Index, which tracks the overall change in consumer prices over time.
A consumer price index (CPI) measures the cost of a market basket of products and services for consumers that households purchase on average and are weighted. The measured CPI fluctuates to reflect changes in prices over time.
The CPI is the most commonly cited indicator of inflation, closely followed by other indicators utilised by policymakers, the financial sector, companies, and consumers.
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