diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80b90cc14..8a2948f3f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ### fixed
 - **21_trade** included trade costs into exo realization
+- **default.cfg** input data upgraded to rev4.120 to use corrected clusters using aligned population data
 
 
 ## [4.11.0] - 2025-07-11
diff --git a/config/default.cfg b/config/default.cfg
index 9c57fa92a..36593ef28 100644
--- a/config/default.cfg
+++ b/config/default.cfg
@@ -22,11 +22,11 @@ cfg$model <- "main.gms"   #def = "main.gms"
 #### input settings ####
 
 # which input data sets should be used?
-cfg$input <- c(regional    = "rev4.119_h12_magpie.tgz",
-               cellular    = "rev4.119_h12_1b5c3817_cellularmagpie_c200_MRI-ESM2-0-ssp245_lpjml-8e6c5eb1.tgz",
-               validation  = "rev4.119_h12_validation.tgz",
+cfg$input <- c(regional    = "rev4.120_h12_magpie.tgz",
+               cellular    = "rev4.120_h12_fd712c0b_cellularmagpie_c200_MRI-ESM2-0-ssp370_lpjml-8e6c5eb1.tgz",
+               validation  = "rev4.120_h12_validation.tgz",
                additional  = "additional_data_rev4.63.tgz",
-               calibration = "calibration_H12_FAO_13Mar25.tgz")
+               calibration = "calibration_H12_FAO_13Aug25.tgz")
 
 # NOTE: It is recommended to recalibrate the model when changing cellular input data
 #       as well as for any other setting that would affect initial values in the model,
diff --git a/config/projects/scenario_config_el2.csv b/config/projects/scenario_config_el2.csv
index 41898f4b1..e7bfd874e 100644
--- a/config/projects/scenario_config_el2.csv
+++ b/config/projects/scenario_config_el2.csv
@@ -20,5 +20,5 @@ gms$s15_alc_scen;0;0;0
 gms$c30_bioen_water;all;all;all
 gms$factor_costs;sticky_labor;sticky_labor;sticky_labor
 gms$c70_feed_scen;ssp1;ssp2;ssp2
-input['cellular'];rev4.119EL2_h12_c6a7458f_cellularmagpie_c200_IPSL-CM6A-LR-ssp370_lpjml-8e6c5eb1.tgz;;
+input['cellular'];rev4.120EL2_h12_c6a7458f_cellularmagpie_c200_IPSL-CM6A-LR-ssp370_lpjml-8e6c5eb1.tgz;;
 magicc_emis_scen;REMIND_generic_C_SSP2EU-DSPkB650-DS_betax_DeepDive_noNDC-rem-12.mif;REMIND_generic_C_SSP2EU-DSPkB650-DS_betax_DeepDive_noNDC-rem-12.mif;REMIND_generic_C_SSP2EU-DSPkB650-DS_betax_DeepDive_noNDC-rem-12.mif
diff --git a/config/projects/scenario_config_fsec.csv b/config/projects/scenario_config_fsec.csv
index cb9de3193..7efcf03a9 100644
--- a/config/projects/scenario_config_fsec.csv
+++ b/config/projects/scenario_config_fsec.csv
@@ -76,8 +76,8 @@ gms$s62_max_dem_bioplastic;0;;;;400;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 gms$c70_fac_req_regr;reg;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 gms$c70_feed_scen;;;;;;;;;;;;;;;;;;ssp1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 gms$c73_build_demand;;;;;;;;;;;;;;;;;;;;;;;;50pc;;;;;;;;;;;;;;;;;;;;;;;;;;;
-input['cellular'];rev4.119_FSEC_3c888fa5_cellularmagpie_c200_MRI-ESM2-0-ssp460_lpjml-8e6c5eb1.tgz;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;rev4.119_FSEC_0bd54110_cellularmagpie_c200_MRI-ESM2-0-ssp119_lpjml-8e6c5eb1.tgz;rev4.119_FSEC_6819938d_cellularmagpie_c200_MRI-ESM2-0-ssp126_lpjml-8e6c5eb1.tgz;;rev4.119_FSEC_1b5c3817_cellularmagpie_c200_MRI-ESM2-0-ssp245_lpjml-8e6c5eb1.tgz;rev4.119_FSEC_3c888fa5_cellularmagpie_c200_MRI-ESM2-0-ssp460_lpjml-8e6c5eb1.tgz;rev4.119_FSEC_fd712c0b_cellularmagpie_c200_MRI-ESM2-0-ssp370_lpjml-8e6c5eb1.tgz;rev4.119_FSEC_09a63995_cellularmagpie_c200_MRI-ESM2-0-ssp585_lpjml-8e6c5eb1.tgz;;;
-input['regional'];rev4.119_FSEC_magpie.tgz;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-input['validation'];rev4.119_FSEC_validation.tgz;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-input['calibration'];calibration_FSEC_FAO_03Feb25.tgz;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+input['cellular'];rev4.120_FSEC_3c888fa5_cellularmagpie_c200_MRI-ESM2-0-ssp460_lpjml-8e6c5eb1.tgz;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;rev4.120_FSEC_0bd54110_cellularmagpie_c200_MRI-ESM2-0-ssp119_lpjml-8e6c5eb1.tgz;rev4.120_FSEC_6819938d_cellularmagpie_c200_MRI-ESM2-0-ssp126_lpjml-8e6c5eb1.tgz;;rev4.120_FSEC_1b5c3817_cellularmagpie_c200_MRI-ESM2-0-ssp245_lpjml-8e6c5eb1.tgz;rev4.120_FSEC_3c888fa5_cellularmagpie_c200_MRI-ESM2-0-ssp460_lpjml-8e6c5eb1.tgz;rev4.120_FSEC_fd712c0b_cellularmagpie_c200_MRI-ESM2-0-ssp370_lpjml-8e6c5eb1.tgz;rev4.120_FSEC_09a63995_cellularmagpie_c200_MRI-ESM2-0-ssp585_lpjml-8e6c5eb1.tgz;;;
+input['regional'];rev4.120_FSEC_magpie.tgz;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+input['validation'];rev4.120_FSEC_validation.tgz;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+input['calibration'];calibration_FSEC_FAO_14Aug25.tgz;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 magicc_emis_scen;bjoernAR6_C_SSP2-NDC.mif;;;bjoernAR6_C_SSP2-PkBudg900.mif;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;bjoernAR6_C_SSP1-NDC.mif;;;;;;;;;;;;bjoernAR6_C_RemSDP-900-MagSSP1.mif;;
diff --git a/config/scenario_config.csv b/config/scenario_config.csv
index 8701c8c1b..9d6280437 100755
--- a/config/scenario_config.csv
+++ b/config/scenario_config.csv
@@ -77,4 +77,4 @@ gms$c60_biodem_level;;;;;;;;;;;;;;;;;;;;;;;;1;0;;;;;;;;;;;;
 gms$c60_res_2ndgenBE_dem;;;;ssp1;ssp2;ssp3;ssp4;ssp5;sdp;ssp2;sdp;sdp;sdp;;;;;;;;;;;;;;;;;;;;;;;;
 gms$c70_feed_scen;;;;ssp1;ssp2;ssp3;ssp4;ssp5;ssp1;ssp5;ssp1;ssp1;ssp2;;;;;;;;;;;;;;;;;;;;;;;;
 gms$s73_timber_demand_switch;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1;1;0;;;;;;
-input['cellular'];;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;rev4.119_h12_0bd54110_cellularmagpie_c200_MRI-ESM2-0-ssp119_lpjml-8e6c5eb1.tgz;rev4.119_h12_6819938d_cellularmagpie_c200_MRI-ESM2-0-ssp126_lpjml-8e6c5eb1.tgz;rev4.119_h12_1b5c3817_cellularmagpie_c200_MRI-ESM2-0-ssp245_lpjml-8e6c5eb1.tgz;rev4.119_h12_3c888fa5_cellularmagpie_c200_MRI-ESM2-0-ssp460_lpjml-8e6c5eb1.tgz;rev4.119_h12_fd712c0b_cellularmagpie_c200_MRI-ESM2-0-ssp370_lpjml-8e6c5eb1.tgz;rev4.119_h12_09a63995_cellularmagpie_c200_MRI-ESM2-0-ssp585_lpjml-8e6c5eb1.tgz
+input['cellular'];;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;rev4.120_h12_0bd54110_cellularmagpie_c200_MRI-ESM2-0-ssp119_lpjml-8e6c5eb1.tgz;rev4.120_h12_6819938d_cellularmagpie_c200_MRI-ESM2-0-ssp126_lpjml-8e6c5eb1.tgz;rev4.120_h12_1b5c3817_cellularmagpie_c200_MRI-ESM2-0-ssp245_lpjml-8e6c5eb1.tgz;rev4.120_h12_3c888fa5_cellularmagpie_c200_MRI-ESM2-0-ssp460_lpjml-8e6c5eb1.tgz;rev4.120_h12_fd712c0b_cellularmagpie_c200_MRI-ESM2-0-ssp370_lpjml-8e6c5eb1.tgz;rev4.120_h12_09a63995_cellularmagpie_c200_MRI-ESM2-0-ssp585_lpjml-8e6c5eb1.tgz
diff --git a/core/sets.gms b/core/sets.gms
index ad763baf8..eca90f739 100644
--- a/core/sets.gms
+++ b/core/sets.gms
@@ -55,32 +55,32 @@ sets
       VEN, VGB, VIR, VNM, VUT, WLF, WSM, YEM, ZAF, ZMB, ZWE /
 
   j number of LPJ cells
-    / CAZ_1*CAZ_15,
-      CHA_16*CHA_37,
-      EUR_38*EUR_47,
-      IND_48*IND_54,
-      JPN_55*JPN_58,
-      LAM_59*LAM_85,
-      MEA_86*MEA_105,
-      NEU_106*NEU_114,
-      OAS_115*OAS_130,
-      REF_131*REF_152,
-      SSA_153*SSA_184,
-      USA_185*USA_200 /
+    / CAZ_1*CAZ_5,
+      CHA_6*CHA_24,
+      EUR_25*EUR_36,
+      IND_37*IND_48,
+      JPN_49*JPN_55,
+      LAM_56*LAM_88,
+      MEA_89*MEA_113,
+      NEU_114*NEU_121,
+      OAS_122*OAS_137,
+      REF_138*REF_149,
+      SSA_150*SSA_182,
+      USA_183*USA_200 /
 
   cell(i,j) number of LPJ cells per region i
-    / CAZ . (CAZ_1*CAZ_15)
-      CHA . (CHA_16*CHA_37)
-      EUR . (EUR_38*EUR_47)
-      IND . (IND_48*IND_54)
-      JPN . (JPN_55*JPN_58)
-      LAM . (LAM_59*LAM_85)
-      MEA . (MEA_86*MEA_105)
-      NEU . (NEU_106*NEU_114)
-      OAS . (OAS_115*OAS_130)
-      REF . (REF_131*REF_152)
-      SSA . (SSA_153*SSA_184)
-      USA . (USA_185*USA_200) /
+    / CAZ . (CAZ_1*CAZ_5)
+      CHA . (CHA_6*CHA_24)
+      EUR . (EUR_25*EUR_36)
+      IND . (IND_37*IND_48)
+      JPN . (JPN_49*JPN_55)
+      LAM . (LAM_56*LAM_88)
+      MEA . (MEA_89*MEA_113)
+      NEU . (NEU_114*NEU_121)
+      OAS . (OAS_122*OAS_137)
+      REF . (REF_138*REF_149)
+      SSA . (SSA_150*SSA_182)
+      USA . (USA_183*USA_200) /
 
   i_to_iso(i,iso) mapping regions to iso countries
     / CAZ . (AUS, CAN, HMD, NZL, SPM)
diff --git a/main.gms b/main.gms
index a61d2c8df..06f532a49 100644
--- a/main.gms
+++ b/main.gms
@@ -154,7 +154,7 @@ $title magpie
 * 
 * Number of cells per region:
 *   CAZ  CHA  EUR  IND  JPN  LAM  MEA  NEU  OAS  REF  SSA  USA
-*    15   22   10    7    4   27   20    9   16   22   32   16
+*     5   19   12   12    7   33   25    8   16   12   33   18
 * 
 * Regionscode: 62eff8f7
 *###################### R SECTION END (VERSION INFO) ###########################