Latest Data
Dec 2025
137.8
YoY 0.29%
MoM 1.25%
Data Coverage
Observations: 96
Period: Jan 2018 - Dec 2025
Frequency: Monthly
Historic High: 137.8 (Dec 2025)
Historic Low: 96.4 (Jan 2018)
Data Releases
Related Series
Data Categories Prices Consumer Price Index and Inflation Rate Consumer Price Index for Bottom 30% Income Households
Consumer Price Index for Bottom 30% Income Households in Negros Island Region
For All Items (2018=100)
line-chart Line Chart
bar-chart Bar Chart
Table

Units: Index (2018=100)

Frequency: Monthly

Notes:

  • The Consumer Price Index (CPI) for Bottom 30% Income Households in Negros Island Region measures price changes in goods and services typically consumed by families in the lowest 30% income bracket, relative to the baseline year. Price collection for this index is conducted simultaneously with the CPI for All Income Households through the Retail Price Survey.1
  • This series covers the provinces of Negros Oriental, Negros Occidental, and Siquijor.
  • The Negros Island Region (NIR) was first established in 2015 when former President Benigno Aquino III signed Executive Order No. 183, s. 2015 merging two provinces of Negros Oriental and Negros Occidental into its own region separated from Region VII.2 Former President Duterte later signed Executive Order No. 38, s. 2017 abolishing the NIR.3 In 2024, President Ferdinand Marcos Jr. signed into law Republic Act No. 12000 re-establishing NIR which now includes Siquijor.4 There is a pending Petition for Declaratory Relief and Prohibition filed before the Supreme Court questioning the constitutionality of RA 12000.5

Suggested Citation: Philippine Statistics Authority. Consumer Price Index for Bottom 30% Income Households in Negros Island Region (2018 = 100). EconStat®. Accessed July 17, 2026. http://econstat.net/category/prices/C1/series/CPIBOT2018-M-REGNIR/.

References:

  1. Philippine Statistics Authority. 2018-Based Consumer Price Index for the Bottom 30 Percent Income Households. Technical Notes. https://psa.gov.ph/system/files/psd/Technical%20Notes%20-%20CPI%20for%20the%20Bottom%2030%25_18.pdf ↩

  2. Creating a Negros Island Region and for Other Purposes, Executive Order No. 183, s. 2015 (2015). https://www.officialgazette.gov.ph/2015/05/29/executive-order-no-183-s-2015/. ↩

  3. Revoking Executive Order No. 183 (S.2015) Which Created a Negros Island Region and For Other Purposes, Executive Order No. 38, S. 2017 (2017). https://lawphil.net/executive/execord/eo2017/eo_38_2017.html. ↩

  4. An Act Establishing the Negros Island Region, Republic Act No. 12000 (2024). https://www.officialgazette.gov.ph/downloads/2024/06jun/20240611-RA-12000-FRM.pdf. ↩

  5. Petition against R.A. No. 12000 or the “Negros Island Region Act,” G.R. No. 275284 (Supreme Court of the Philippines). Accessed August 4, 2025. https://sc.judiciary.gov.ph/wp-content/uploads/2024/09/Petition-275284.pdf. ↩