|Unit||Index 2018=100, NSA|
|Adjustments||Not Seasonally Adjusted|
For the Philippines, a monthly detailed consumer price index and core CPI. This indicates the change in average prices for commonly purchased household goods and services.
The CPI being released monthly by NSO is the "all-income" CPI at the national level, Metro Manila and areas outside Metro Manila. All-income refers to the average Filipino income-earning households and includes those belonging to the high- middle- and low-income brackets. This means that expenditures of all income-earning households are reflected in the current CPI weights. The index measures the changes in prices affecting households from all income groups, not only the "DE crowd", which would be those belonging to the bottom deciles in the income distribution.
The CPI is computed using the weighted arithmetic mean of price relatives, a variant of Laspeyres formula with fixed base year period weights.
"Core CPI" excludes select food and energy items that account for 22.8% of the CPI (at time of adoption in 2018), viz.:
For the general index, we back-extend the history (NSA prior to 2018m1, SA prior to 2021m1) to 1957m1, using the predecessor(s) and IMF.
Some data are seasonally adjusted and revisions are updated when next period data is out.
At the source:
At the source, background:
At IMF (SDDS):