# What is the current CPI base year?

## What is the current CPI base year?

1982- 84

Currently, the reference base for most CPI indexes is 1982- 84=100 but some indexes have other references bases. The reference base years refer to the period in which the index is set to 100.0. In addition, expenditure weights are updated every two years to keep the CPI current with changing consumer preferences.

**What is the base year for CPI combined?**

The National Statistical Office (NSO), Ministry of Statistics and Programme Implementation (MoSPI) is releasing All India Consumer Price Index (CPI) on Base 2012=100 and corresponding Consumer Food Price Index (CFPI) for Rural (R), Urban (U) and Combined (C) for the month of July 2021 (Provisional) in this press note.

### Is CPI in base year always 100?

Consumer Price Index (CPI) Formula The index is calculated by taking the price of the basket in one year and dividing it by the price of the basket in another year. This ratio is then multiplied by 100. The base year is always 100.

**What is CPI inflation rate 2020?**

Index reference base – 2011–12

Year | 31 March | 30 September |
---|---|---|

2020 | 116.6 | 116.2 |

2019 | 114.1 | 115.4 |

2018 | 112.6 | 113.5 |

2017 | 110.5 | 111.4 |

#### How do I change my CPI base year?

Understanding the Reference Base Period Percent change in CPI = (end value of CPI – start value of CPI)/ start value of CPI * 100. For example, assume CPI is 245.12 in 2017 and 207.3 in 2007. To calculate the rise in CPI from 2007 to 2017, take: CPI value in 2017, minus the CPI value in in 2007 to get 37.82.

**Why CPI is 100 in the base year?**

All India CPI-IW was first introduced on scientific lines with base 1960=100 which was based on the results of Family Living Survey conducted in 1958-59 at 50 industrially important centres. The series was then, updated on base 1982=100 and a revision in 1999-2000 has further updated the base on 2001=100.