diff --git a/source/Age.cpp b/source/Age.cpp
new file mode 100644
index 0000000..1069357
--- /dev/null
+++ b/source/Age.cpp
@@ -0,0 +1,48 @@
+#include "Age.h"
+
+#include <QDebug>
+
+Age::Age(unsigned int years, unsigned int months)
+	: m_years(years)
+	, m_months(months)
+{
+}
+
+Age::Age(const QDate &birth, const QDate &reference)
+{
+	if (reference < birth)
+	{
+		qDebug() << "test (" << reference << ") before birth (" << birth << ")";
+		m_years = 0;
+		m_months = 0;
+
+		return;
+	}
+
+	int years = reference.year() - birth.year();
+	int months = reference.month() - birth.month();
+
+	if (months == 0 && reference.day() < birth.day())
+	{
+		months--;
+	}
+
+	if (months < 0)
+	{
+		years--;
+		months = (months + 12) % 12;
+	}
+
+	m_years = years;
+	m_months = months;
+}
+	
+unsigned int Age::years() const
+{
+	return m_years;
+}
+
+unsigned int Age::months() const
+{
+	return m_months;
+}
diff --git a/source/Age.h b/source/Age.h
index bdaccae..93b4e5e 100644
--- a/source/Age.h
+++ b/source/Age.h
@@ -1,5 +1,18 @@
 #pragma once
 
+#include <QDate>
+
 class Age
 {
+private:
+	unsigned int m_years = 0;
+	unsigned int m_months = 0;
+
+public:
+	Age() = default;
+	Age(unsigned int years, unsigned int months);
+	Age(const QDate &birth, const QDate &reference);
+
+	unsigned int years() const;
+	unsigned int months() const;
 };
diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index 8c0dd44..d7525a5 100644
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -19,6 +19,7 @@ add_executable(${PROJECT_NAME}
 	LogoTest.cpp
 	DataModel.cpp
 	mainwindow.cpp
+	Age.cpp
 	${LOGO_TEST_UI}
 	${LOGO_TEST_QRC}
 )
diff --git a/source/DataModel.cpp b/source/DataModel.cpp
index 2cf7723..7cde0b9 100644
--- a/source/DataModel.cpp
+++ b/source/DataModel.cpp
@@ -40,4 +40,5 @@ void DataModel::pluralModelChanged()
 
 void DataModel::metaDataChanged()
 {
+	m_results.setAge(m_metaData.getAge());
 }
diff --git a/source/MetaData/MetaDataModel.h b/source/MetaData/MetaDataModel.h
index 7a6e80f..8d5f614 100644
--- a/source/MetaData/MetaDataModel.h
+++ b/source/MetaData/MetaDataModel.h
@@ -33,6 +33,6 @@ public:
 
 	Age getAge() const
 	{
-		return {};
+		return { m_dateOfBirth, m_dateOfTest };
 	}
 };
diff --git a/source/ResultWidget/ResultModel.cpp b/source/ResultWidget/ResultModel.cpp
index c6aa500..6eb8216 100644
--- a/source/ResultWidget/ResultModel.cpp
+++ b/source/ResultWidget/ResultModel.cpp
@@ -80,8 +80,9 @@ QVariant ResultModel::headerData(
 	}
 }
 
-void ResultModel::setAge(const QDate &age)
+void ResultModel::setAge(const Age &age)
 {
+	qDebug() << "Age:" << age.years() << "years" << age.months() << "months";
 	m_age = age;
 }
 
diff --git a/source/ResultWidget/ResultModel.h b/source/ResultWidget/ResultModel.h
index 7b65006..f626d3b 100644
--- a/source/ResultWidget/ResultModel.h
+++ b/source/ResultWidget/ResultModel.h
@@ -1,8 +1,8 @@
 #pragma once
 
+#include "../Age.h"
 #include <vector>
 #include <QAbstractTableModel>
-#include <QDate>
 
 class TestResult
 {
@@ -38,7 +38,7 @@ class ResultModel : public QAbstractTableModel
 	Q_OBJECT
 
 private:
-	QDate m_age;
+	Age m_age;
 	std::vector<TestResult> m_results;
 
 public:
@@ -53,6 +53,6 @@ public:
 	QVariant headerData(int section, Qt::Orientation orientation,
 		int role = Qt::DisplayRole) const override;
 
-	void setAge(const QDate &age);
+	void setAge(const Age &age);
 	void setPluralResult(size_t points);
 };