diff --git a/DESCRIPTION b/DESCRIPTION
index 5e0d274..81b7a98 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -21,7 +21,7 @@ Description: EQ-5D is a popular health related quality of life instrument used
     index scores from a subject's dimension scores. 32 TTO and 11 VAS EQ-5D-3L
     value sets including those for countries in Szende et al (2007) 
     <doi:10.1007/1-4020-5511-0> and Szende et al (2014) 
-    <doi:10.1007/978-94-007-7596-1>, 44 EQ-5D-5L EQ-VT value sets, the 
+    <doi:10.1007/978-94-007-7596-1>, 45 EQ-5D-5L EQ-VT value sets, the 
     EQ-5D-5L crosswalk value sets developed by van Hout et al. (2012) 
     <doi:10.1016/j.jval.2012.02.008>, the crosswalk value sets for Bermuda, Jordan and 
     Russia and the reverse crosswalk value sets. 10 EQ-5D-Y value sets are also 
diff --git a/NEWS.Rmd b/NEWS.Rmd
index 118693e..4fa4709 100644
--- a/NEWS.Rmd
+++ b/NEWS.Rmd
@@ -8,6 +8,10 @@ output: github_document
 knitr::opts_chunk$set(echo = TRUE)
 ```
 
+# eq5d (development version)
+
+- Norwegian EQ-5D-5L value set added.
+
 # eq5d 0.15.5 (2024-11-19)
 
 - Ghana EQ-5D-5L value set added.
diff --git a/NEWS.md b/NEWS.md
index 46f9c99..0dfabde 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,6 +1,10 @@
 
 <!-- NEWS.md is generated from NEWS.Rmd. Please edit that file -->
 
+# eq5d (development version)
+
+- Norwegian EQ-5D-5L value set added.
+
 # eq5d 0.15.5 (2024-11-19)
 
 - Ghana EQ-5D-5L value set added.
diff --git a/R/data.R b/R/data.R
index 1a3252e..ae183a5 100644
--- a/R/data.R
+++ b/R/data.R
@@ -194,6 +194,7 @@
 #' \item{\strong{Mexico}: Gutierrez-Delgado C, Galindo-Suárez RM, Cruz-Santiago C, Shah K, Papadimitropoulos M, Feng Y, Zamora B, Devlin N. EQ-5D-5L Health-State Values for the Mexican Population. Appl Health Econ Health Policy. 2021 Nov;19(6):905-914. \doi{10.1007/s40258-021-00658-0}. Epub 2021 Jun 26. PMID: 34173957.}
 #' \item{\strong{Netherlands}: Versteegh MM, Vermeulen KM, Evers SM, de Wit GA, Prenger R, Stolk EA. Dutch Tariff for the Five-Level Version of EQ-5D. Value in Health. 2016 Jun;19(4):343-52.  \doi{10.1016/j.jval.2016.01.003}. PMID: 27325326.}
 #' \item{\strong{New Zealand}: Sullivan T, Hansen P, Ombler F, Derrett S, Devlin N. A new tool for creating personal and social EQ-5D-5L value sets, including valuing 'dead'. Soc Sci Med. 2020 Feb;246:112707. \doi{10.1016/j.socscimed.2019.112707}. Epub 2019 Nov 30. PMID: 31945596.}
+#' \item{\strong{Norway}: Garratt AM, Stavem K, Shaw JW, Rand K. EQ-5D-5L value set for Norway: a hybrid model using cTTO and DCE data. Qual Life Res. 2024 Nov 20. \doi{10.1007/s11136-024-03837-3}. Epub ahead of print. PMID: 39565555.}
 #' \item{\strong{Peru} Augustovski F, Belizán M, Gibbons L, Reyes N, Stolk E, Craig BM, Tejada RA. Peruvian Valuation of the EQ-5D-5L: A Direct Comparison of Time Trade-Off and Discrete Choice Experiments. Value Health. 2020;23(7):880-888. \doi{10.1016/j.jval.2020.05.004}. PMID: 32762989.}
 #' \item{\strong{Philippines} Miguel RTD, Rivera AS, Cheng KJG, Rand K, Purba FD, Luo N, Zarsuelo MA, Genuino-Marfori AJ, Florentino-Fariñas I, Guerrero AM, Lam HY. Estimating the EQ-5D-5L value set for the Philippines. Qual Life Res. 2022 May 9. \doi{10.1007/s11136-022-03143-w}. PMID: 35532835.}
 #' \item{\strong{Poland} Golicki D, Jakubczyk M, Niewada M, Wrona W, Busschbach JJ. Valuation of EQ-5D health states in Poland: first TTO-based social value set in Central and Eastern Europe. Value Health. 2010 Mar-Apr;13(2):289-97. \doi{10.1111/j.1524-4733.2009.00596.x}. PMID: 19744296.}
diff --git a/R/sysdata.rda b/R/sysdata.rda
index 8135ac0..ef60587 100644
Binary files a/R/sysdata.rda and b/R/sysdata.rda differ
diff --git a/data-raw/VT.csv b/data-raw/VT.csv
index d4a1c5e..d279152 100644
--- a/data-raw/VT.csv
+++ b/data-raw/VT.csv
@@ -1,36 +1,36 @@
-,Australia,Belgium,Canada,China,Denmark,Egypt,England,Ethiopia,France,Germany,Ghana,HongKong,Hungary,India,Indonesia,Iran,Ireland,Italy,Japan_cTTO,Japan_DCE,Malaysia,Mexico,Netherlands,NewZealand,Peru_cTTO,Peru_DCE,Philippines,Poland,Portugal,Romania,SaudiArabia,Slovenia,SouthKorea,Spain,Sweden_2020,Sweden_2022,Taiwan,Thailand,Trinidad_and_Tobago,Uganda,Uruguay,USA,Vietnam,WePP
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\ No newline at end of file
+,Australia,Belgium,Canada,China,Denmark,Egypt,England,Ethiopia,France,Germany,Ghana,HongKong,Hungary,India,Indonesia,Iran,Ireland,Italy,Japan_cTTO,Japan_DCE,Malaysia,Mexico,Netherlands,NewZealand,Norway,Peru_cTTO,Peru_DCE,Philippines,Poland,Portugal,Romania,SaudiArabia,Slovenia,SouthKorea,Spain,Sweden_2020,Sweden_2022,Taiwan,Thailand,Trinidad_and_Tobago,Uganda,Uruguay,USA,Vietnam,WePP
+StartValue,1,1,1.1351,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0.9755,1,1,1,1,1,1,1,1,1
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+MO45,NA,NA,-0.051,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
+SC45,NA,NA,-0.0584,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
+UA45,NA,NA,-0.1103,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
+PD45,NA,NA,-0.1409,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
+AD45,NA,NA,-0.1277,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
+Num45sq,NA,NA,0.0085,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
+N4,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,-0.078,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
+N5,-0.153,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,-0.0023,NA,NA,NA,NA,NA,NA,NA,NA,NA
\ No newline at end of file
diff --git a/data-raw/references.csv b/data-raw/references.csv
index ff8fba2..fbde8e4 100644
--- a/data-raw/references.csv
+++ b/data-raw/references.csv
@@ -69,6 +69,7 @@ EQ-5D-5L,VT,Japan_DCE,27565282,10.1016/j.jval.2016.03.1834,,
 EQ-5D-5L,VT,Malaysia,30535779,10.1007/s40273-018-0758-7,,
 EQ-5D-5L,VT,Mexico,34173957,10.1007/s40258-021-00658-0,,
 EQ-5D-5L,VT,Netherlands,27325326,10.1016/j.jval.2016.01.003,,
+EQ-5D-5L,VT,Norway,39565555,10.1007/s11136-024-03837-3,,
 EQ-5D-5L,VT,NewZealand,31945596,10.1016/j.socscimed.2019.112707,,
 EQ-5D-5L,VT,Peru_cTTO,32762989,10.1016/j.jval.2020.05.004,,
 EQ-5D-5L,VT,Peru_DCE,32762989,10.1016/j.jval.2020.05.004,,
diff --git a/man/VT.Rd b/man/VT.Rd
index dbd446a..8d74345 100644
--- a/man/VT.Rd
+++ b/man/VT.Rd
@@ -5,7 +5,7 @@
 \alias{VT}
 \title{EQ-5D-5L VT value set data}
 \format{
-An object of class \code{data.frame} with 35 rows and 44 columns.
+An object of class \code{data.frame} with 35 rows and 45 columns.
 }
 \source{
 \itemize{
@@ -32,6 +32,7 @@ An object of class \code{data.frame} with 35 rows and 44 columns.
 \item{\strong{Mexico}: Gutierrez-Delgado C, Galindo-Suárez RM, Cruz-Santiago C, Shah K, Papadimitropoulos M, Feng Y, Zamora B, Devlin N. EQ-5D-5L Health-State Values for the Mexican Population. Appl Health Econ Health Policy. 2021 Nov;19(6):905-914. \doi{10.1007/s40258-021-00658-0}. Epub 2021 Jun 26. PMID: 34173957.}
 \item{\strong{Netherlands}: Versteegh MM, Vermeulen KM, Evers SM, de Wit GA, Prenger R, Stolk EA. Dutch Tariff for the Five-Level Version of EQ-5D. Value in Health. 2016 Jun;19(4):343-52.  \doi{10.1016/j.jval.2016.01.003}. PMID: 27325326.}
 \item{\strong{New Zealand}: Sullivan T, Hansen P, Ombler F, Derrett S, Devlin N. A new tool for creating personal and social EQ-5D-5L value sets, including valuing 'dead'. Soc Sci Med. 2020 Feb;246:112707. \doi{10.1016/j.socscimed.2019.112707}. Epub 2019 Nov 30. PMID: 31945596.}
+\item{\strong{Norway}: Garratt AM, Stavem K, Shaw JW, Rand K. EQ-5D-5L value set for Norway: a hybrid model using cTTO and DCE data. Qual Life Res. 2024 Nov 20. \doi{10.1007/s11136-024-03837-3}. Epub ahead of print. PMID: 39565555.}
 \item{\strong{Peru} Augustovski F, Belizán M, Gibbons L, Reyes N, Stolk E, Craig BM, Tejada RA. Peruvian Valuation of the EQ-5D-5L: A Direct Comparison of Time Trade-Off and Discrete Choice Experiments. Value Health. 2020;23(7):880-888. \doi{10.1016/j.jval.2020.05.004}. PMID: 32762989.}
 \item{\strong{Philippines} Miguel RTD, Rivera AS, Cheng KJG, Rand K, Purba FD, Luo N, Zarsuelo MA, Genuino-Marfori AJ, Florentino-Fariñas I, Guerrero AM, Lam HY. Estimating the EQ-5D-5L value set for the Philippines. Qual Life Res. 2022 May 9. \doi{10.1007/s11136-022-03143-w}. PMID: 35532835.}
 \item{\strong{Poland} Golicki D, Jakubczyk M, Niewada M, Wrona W, Busschbach JJ. Valuation of EQ-5D health states in Poland: first TTO-based social value set in Central and Eastern Europe. Value Health. 2010 Mar-Apr;13(2):289-97. \doi{10.1111/j.1524-4733.2009.00596.x}. PMID: 19744296.}
diff --git a/man/eq5d-package.Rd b/man/eq5d-package.Rd
index 79d57d8..05f61ef 100644
--- a/man/eq5d-package.Rd
+++ b/man/eq5d-package.Rd
@@ -5,7 +5,7 @@
 \alias{eq5d-package}
 \title{eq5d: Methods for Analysing 'EQ-5D' Data and Calculating 'EQ-5D' Index Scores}
 \description{
-EQ-5D is a popular health related quality of life instrument used in the clinical and economic evaluation of health care. Developed by the EuroQol group \url{https://euroqol.org/}, the instrument consists of two components: health state description and evaluation. For the description component a subject self-rates their health in terms of five dimensions; mobility, self-care, usual activities, pain/discomfort, and anxiety/depression using either a three-level (EQ-5D-3L, \url{https://euroqol.org/information-and-support/euroqol-instruments/eq-5d-3l/}) or a five-level (EQ-5D-5L, \url{https://euroqol.org/information-and-support/euroqol-instruments/eq-5d-5l/}) scale. Frequently the scores on these five dimensions are converted to a single utility index using country specific value sets, which can be used in the clinical and economic evaluation of health care as well as in population health surveys. The eq5d package provides methods to calculate index scores from a subject's dimension scores. 32 TTO and 11 VAS EQ-5D-3L value sets including those for countries in Szende et al (2007) \doi{10.1007/1-4020-5511-0} and Szende et al (2014) \doi{10.1007/978-94-007-7596-1}, 44 EQ-5D-5L EQ-VT value sets, the EQ-5D-5L crosswalk value sets developed by van Hout et al. (2012) \doi{10.1016/j.jval.2012.02.008}, the crosswalk value sets for Bermuda, Jordan and Russia and the reverse crosswalk value sets. 10 EQ-5D-Y value sets are also included as are the NICE 'DSU' age-sex based EQ-5D-3L to EQ-5D-5L and EQ-5D-5L to EQ-5D-3L mappings. Methods are also included for the analysis of EQ-5D profiles, including those from the book "Methods for Analyzing and Reporting EQ-5D data" by Devlin et al. (2020) \doi{10.1007/978-3-030-47622-9}. Additionally a shiny web tool is included to enable the calculation, visualisation and automated statistical analysis of EQ-5D data via a web browser using EQ-5D dimension scores stored in CSV or Excel files.
+EQ-5D is a popular health related quality of life instrument used in the clinical and economic evaluation of health care. Developed by the EuroQol group \url{https://euroqol.org/}, the instrument consists of two components: health state description and evaluation. For the description component a subject self-rates their health in terms of five dimensions; mobility, self-care, usual activities, pain/discomfort, and anxiety/depression using either a three-level (EQ-5D-3L, \url{https://euroqol.org/information-and-support/euroqol-instruments/eq-5d-3l/}) or a five-level (EQ-5D-5L, \url{https://euroqol.org/information-and-support/euroqol-instruments/eq-5d-5l/}) scale. Frequently the scores on these five dimensions are converted to a single utility index using country specific value sets, which can be used in the clinical and economic evaluation of health care as well as in population health surveys. The eq5d package provides methods to calculate index scores from a subject's dimension scores. 32 TTO and 11 VAS EQ-5D-3L value sets including those for countries in Szende et al (2007) \doi{10.1007/1-4020-5511-0} and Szende et al (2014) \doi{10.1007/978-94-007-7596-1}, 45 EQ-5D-5L EQ-VT value sets, the EQ-5D-5L crosswalk value sets developed by van Hout et al. (2012) \doi{10.1016/j.jval.2012.02.008}, the crosswalk value sets for Bermuda, Jordan and Russia and the reverse crosswalk value sets. 10 EQ-5D-Y value sets are also included as are the NICE 'DSU' age-sex based EQ-5D-3L to EQ-5D-5L and EQ-5D-5L to EQ-5D-3L mappings. Methods are also included for the analysis of EQ-5D profiles, including those from the book "Methods for Analyzing and Reporting EQ-5D data" by Devlin et al. (2020) \doi{10.1007/978-3-030-47622-9}. Additionally a shiny web tool is included to enable the calculation, visualisation and automated statistical analysis of EQ-5D data via a web browser using EQ-5D dimension scores stored in CSV or Excel files.
 }
 \seealso{
 Useful links:
diff --git a/tests/testthat/test-eq5d5l.R b/tests/testthat/test-eq5d5l.R
index 1353c3e..aefa822 100644
--- a/tests/testthat/test-eq5d5l.R
+++ b/tests/testthat/test-eq5d5l.R
@@ -223,6 +223,15 @@ test_that("EQ-5D-5L NewZealand gives correct answer", {
   expect_equal(eq5d5l(c(MO=5,SC=5,UA=5,PD=5,AD=5), "NewZealand"), -0.830)
 })
 
+test_that("EQ-5D-5L Norway gives correct answer", {
+  expect_equal(eq5d5l(c(MO=1,SC=1,UA=1,PD=1,AD=1), "Norway"), 1)
+  expect_equal(eq5d5l(c(MO=1,SC=5,UA=4,PD=3,AD=2), "Norway"), 0.460)
+  expect_equal(eq5d5l(c(MO=2,SC=2,UA=2,PD=2,AD=2), "Norway"), 0.779)
+  expect_equal(eq5d5l(c(MO=3,SC=3,UA=3,PD=3,AD=3), "Norway"), 0.539)
+  expect_equal(eq5d5l(c(MO=4,SC=4,UA=4,PD=4,AD=4), "Norway"), -0.126)
+  expect_equal(eq5d5l(c(MO=5,SC=5,UA=5,PD=5,AD=5), "Norway"), -0.453)
+})
+
 test_that("EQ-5D-5L Peru cTTO gives correct answer", {
   expect_equal(eq5d5l(c(MO=1,SC=1,UA=1,PD=1,AD=1), "Peru_cTTO"), 1)
   expect_equal(eq5d5l(c(MO=2,SC=2,UA=2,PD=2,AD=2), "Peru_cTTO"), 0.441)