diff --git a/analysis/dataset_definition.py b/analysis/dataset_definition.py
index 2396da4..8eaa6f0 100644
--- a/analysis/dataset_definition.py
+++ b/analysis/dataset_definition.py
@@ -5,7 +5,7 @@
 import codelists_ehrQL as codelists
 
 dataset = create_dataset()
-dataset.configure_dummy_data(population_size=1000)
+dataset.configure_dummy_data(population_size=10000)
 
 index_date = "2016-04-01"
 end_date = "2024-09-30"
diff --git a/analysis/dataset_definition_measures.py b/analysis/dataset_definition_measures.py
index 473fb15..a395c77 100644
--- a/analysis/dataset_definition_measures.py
+++ b/analysis/dataset_definition_measures.py
@@ -77,7 +77,7 @@ def preceding_registration(dx_date):
 )
 
 measures = create_measures()
-measures.configure_dummy_data(population_size=1000)
+measures.configure_dummy_data(population_size=10000)
 measures.configure_disclosure_control(enabled=False) #Consider changing this in final output
 measures.define_defaults(intervals=months(intervals).starting_on(start_date))