diff --git a/src/libs/routes/location.js b/src/libs/routes/location.js
index 7a870e5f1422636341a3d7bd1c77938851191791..159b1dbd6ae129e51c60be277588d4f38224dd16 100644
--- a/src/libs/routes/location.js
+++ b/src/libs/routes/location.js
@@ -74,7 +74,7 @@ locationApp.get('/sociodemographic', (req, res, next) => {
     const populationQry = squel.select()
         .field('\'Brasil\'', 'name')
         .field('SUM(populacao)', 'population')
-        .field('ibge_populacao.ano_censo')
+        .field('ibge_populacao.ano_censo', 'census_year')
         .from('ibge_populacao')
         .where(`ibge_populacao.ano_censo IN (${populationYearQry.toString()})`)
         .group('ibge_populacao.ano_censo');
@@ -86,7 +86,7 @@ locationApp.get('/sociodemographic', (req, res, next) => {
     const pibQry = squel.select()
         .field('\'Brasil\'', 'name')
         .field('AVG(ibge_pib.pib_per_capita)', 'gdp_per_capita')
-        .field('ibge_pib.ano_censo')
+        .field('ibge_pib.ano_censo', 'census_year')
         .from('ibge_pib')
         .where(`ibge_pib.ano_censo IN (${pibYearQry.toString()})`)
         .group('ibge_pib.ano_censo');
@@ -98,7 +98,7 @@ locationApp.get('/sociodemographic', (req, res, next) => {
     const idhQry = squel.select()
         .field('\'Brasil\'', 'name')
         .field('AVG(idhm)', 'idhm')
-        .field('adh_idh.ano_censo')
+        .field('adh_idh.ano_censo', 'census_year')
         .from('adh_idh')
         .where(`adh_idh.ano_censo IN (${idhYearQry.toString()})`)
         .group('adh_idh.ano_censo');
@@ -110,7 +110,7 @@ locationApp.get('/sociodemographic', (req, res, next) => {
     const analfabQry = squel.select()
         .field('\'Brasil\'', 'name')
         .field('AVG(t_analf15m)', 'analfabetism')
-        .field('adh_analfabetismo.ano_censo')
+        .field('adh_analfabetismo.ano_censo', 'census_year')
         .from('adh_analfabetismo')
         .where(`adh_analfabetismo.ano_censo IN (${analfabYearQry.toString()})`)
         .group('adh_analfabetismo.ano_censo');
@@ -122,13 +122,13 @@ locationApp.get('/sociodemographic', (req, res, next) => {
     const giniQry = squel.select()
         .field('\'Brasil\'', 'name')
         .field('AVG(gini)', 'gini')
-        .field('adh_gini.ano_censo')
+        .field('adh_gini.ano_censo', 'census_year')
         .from('adh_gini')
         .where(`adh_gini.ano_censo IN (${giniYearQry.toString()})`)
         .group('adh_gini.ano_censo');
 
     // map query objects to their respective response labels
-    const queryLabels = [ "population", "pib", "idh", "analfab", "gini" ];
+    const queryLabels = [ "population", "gdp", "idh", "analfab", "gini" ];
     const querySet = [ populationQry, pibQry, idhQry, analfabQry, giniQry ];
     // wait until all queries finish or one of them fail
     Promise.all(dbExecAll(querySet)).then((queryResults) => {
@@ -248,7 +248,7 @@ locationApp.get('/sociodemographic/region/:id', (req, res, next) => {
         .group('adh_gini.ano_censo')
         .order('regiao.nome');
     // map query objects to their respective response labels
-    const queryLabels = [ "population", "pib", "idh", "analfab", "gini" ];
+    const queryLabels = [ "population", "gdp", "idh", "analfab", "gini" ];
     const querySet = [ populationQry, pibQry, idhQry, analfabQry, giniQry ];
     // wait until all queries finish or one of them fail
     Promise.all(dbExecAll(querySet)).then((queryResults) => {
@@ -358,7 +358,7 @@ locationApp.get('/sociodemographic/state/:id', (req, res, next) => {
         .group('adh_gini.ano_censo')
         .order('estado.nome');
     // map query objects to their respective response labels
-    const queryLabels = [ "population", "pib", "idh", "analfab", "gini" ];
+    const queryLabels = [ "population", "gdp", "idh", "analfab", "gini" ];
     const querySet = [ populationQry, pibQry, idhQry, analfabQry, giniQry ];
     // wait until all queries finish or one of them fail
     Promise.all(dbExecAll(querySet)).then((queryResults) => {
@@ -458,7 +458,7 @@ locationApp.get('/sociodemographic/city/:id', (req, res, next) => {
         .group('adh_gini.ano_censo')
         .order('municipio.nome');
     // map query objects to their respective response labels
-    const queryLabels = [ "population", "pib", "idh", "analfab", "gini" ];
+    const queryLabels = [ "population", "gdp", "idh", "analfab", "gini" ];
     const querySet = [ populationQry, pibQry, idhQry, analfabQry, giniQry ];
     // wait until all queries finish or one of them fail
     Promise.all(dbExecAll(querySet)).then((queryResults) => {