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GDP growth rate (revision triangle by release date)

GDP growth revisions. Per cent, quarterly.

Level, quarterlyLevel, annual

Data source: Department of Census and Statistics, Revision Triangle

Macro Lab · LK.NA.REVISIONS.GDP_GROWTH.Q · CC BY 4.0

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CSVPeriod, value and the source's status flag JSONThe values with the metadata and source

About this series

  • Source Department of Census and Statistics, compiled by Macro Lab
  • Unit Per cent
  • Date range 2016 Q1 – 2026 Q2
  • Last checked 15 Sep 2026

Checks: 4 recorded for this series, listed below.

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Details

Name in the warehouse
GDP growth rate (revision triangle by release date)
Read from
DCS National Accounts Reports (Department of Census and Statistics)
Source page
http://www.statistics.gov.lk/NationalAccounts/StaticalInformation
Notes
DCS RT_RT.xls, 'Revision Triangle for Quarterly and Annual GDP estimates (Last updated 15th September 2026)'. TRUE vintage mechanism: each column is a real DCS release date (read from the sheet's own Excel-date header), stored as the observation vintage, so the same period accumulates one row per release that reported a growth rate for it - the schema's vintage mechanism exactly as docs/conventions.md describes. Compare with RT_Summary.xls, which gives the same series by NAMED stage instead of by date.

Source documents

Revision TriangleDCS · – · 89 values

Vintages

19 vintages, the latest published 15 Sep 2026.

  • 2025 Q3 5.436 → 5.3315 Dec 2025 → 17 Mar 2026
  • 2025 Q2 4.876 → 4.95815 Sep 2025 → 17 Mar 2026
  • 2024 Q3 5.503 → 5.30617 Dec 2024 → 17 Mar 2026
  • 2024 Q2 4.691 → 3.98913 Sep 2024 → 17 Mar 2026
  • 2023 Q3 1.567 → 2.01515 Dec 2023 → 17 Mar 2026
  • 2023 Q2 −3.083 → −2.18515 Sep 2023 → 17 Mar 2026
  • 2023 Q1 −11.514 → −10.60515 Jun 2023 → 17 Mar 2026
  • 2022 Q4 −12.409 → −12.37315 Mar 2023 → 18 Mar 2025

Related series

Source discrepancies

What the warehouse found when it checked this series: the same figure from two agencies, splice overlaps, published rates against ones recalculated from the index, and outliers.

  • Two vintages2023 Q4

    This series reads 4.35; the same figure from the other source reads 4.49. Compared with LK.NA.REVISIONS.GDP_GROWTH.FIRST_ESTIMATE.Q.

    Two agencies: 4.487 and 4.348, difference 0.139.

    RT_Summary FIRST_ESTIMATE vs RT_RT earliest vintage

    RT_Summary First estimate 4.4867 vs RT_RT's earliest AVAILABLE column (2024-03-15) 4.3478 - RT_RT's earliest column already equals RT_Summary's own Final/Latest columns for this row, not its First-estimate column, i.e. RT_RT's table is re-stated wholesale each release rather than preserving the true first-published figure column-by-column for a recently-added quarter. Older, fully-settled quarters (2016-2019) show all RT_Summary stage columns and RT_RT in full agreement, confirming this is a vintage-alignment quirk for recent quarters, not a data error.

  • Two vintages2024 Q1

    This series reads 5.01; the same figure from the other source reads 5.3. Compared with LK.NA.REVISIONS.GDP_GROWTH.FIRST_ESTIMATE.Q.

    Two agencies: 5.301 and 5.007, difference 0.294.

    RT_Summary FIRST_ESTIMATE vs RT_RT earliest vintage

  • Two vintages2024 Q4

    This series reads 5.54; the same figure from the other source reads 5.41. Compared with LK.NA.REVISIONS.GDP_GROWTH.FIRST_ESTIMATE.Q.

    Two agencies: 5.41 and 5.539, difference −0.129.

    RT_Summary FIRST_ESTIMATE vs RT_RT earliest vintage

  • Two vintages2025 Q1

    This series reads 4.71; the same figure from the other source reads 4.77. Compared with LK.NA.REVISIONS.GDP_GROWTH.FIRST_ESTIMATE.Q.

    Two agencies: 4.77 and 4.715, difference 0.056.

    RT_Summary FIRST_ESTIMATE vs RT_RT earliest vintage

1 more check where two vintages differ.