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Special Note: Residential mortgage borrower gross income (BGI) (C41)

View all Special Notes related to the Residential mortgage borrower gross income (BGI) (C41).

Incomplete Data

19 December 2022

Due to a technical problem at our end with the introduction of the May 2034 bond, the following bonds were missing from the Non-resident holdings of individual bonds (D31) published on the 16th of December:

1. May 2026 (GB0526)
2. May 2028 (GB0528)
3. May 2032 (GB0532)
4. May 2051 (GB0551)

We have corrected this mistake and republished the data. We regret the error and apologise for any inconvenience caused.
If you have any questions, please contact us at [email protected]


Introducing new Government bond

28 November 2022

Today sees the introduction of the newly-issued May 2034 nominal government bond, which settled on 22 November 2022.


Changing reporting decimal places

2 May 2022

The publication of exchange rates will change to 5 decimal places. This will align with the spot FX midrates source data (WM/REFINITIV) published by Refinitiv.

Read the guidelines.

If you have any questions please contact [email protected].

Changes to the real TWI

28 February 2022

The Reserve Bank’s real trade-weighted index (TWI) is a weighted average of the New Zealand dollar with the currencies of New Zealand’s major trading partners, adjusted for relative inflation. It is calculated on a monthly basis and published in the B1 table.

Today’s release of the real TWI incorporates two changes:

  1. New real TWI weights and scale factor for 2022.
  2. Updated real TWI weights and scale factor from 1984 to 2021.

The revisions to the real TWI weights from 1984 to 2021 have little impact on the level of the real TWI.

Real TWI (index)

Real TWI (index)

More detail about the TWI methodology can be found in the Reserve Bank of New Zealand Bulletin article, Steenkamp, D (2014) Measuring New Zealand's effective exchange rate.

If you have any questions about these changes, please contact the Statistics team at [email protected].