
Effect · every source
How to increase Development Growth in CK3
165 sources raise Development Growth and 0 lower it in the game files of patch 1.20.0.3.
development_growthThe biggest boosts
+0.5/monthGreat Mosque of MeccaBuilding · County
+0.5/monthDoge's PalaceBuilding · County
+0.5/monthZanzibar Trade PortsBuilding · County
What raises Development Growth (165)
Traits (1)

Erudite Oracle+0.1/month
education_learning_5· game/common/traits/00_traits.txt
Buildings (163)

Great Mosque of Mecca+0.5/month
County
holy-site-great-mosque-of-mecca· game/common/buildings/00_special_buildings.txt

Zanzibar Trade Ports+0.5/month
County
swahili-port-zanzibar· game/common/buildings/00_special_buildings.txt
The Theodosian Walls+0.4/month
County
theodosian-walls· game/common/buildings/00_special_buildings.txt
Capital Temple Complex+0.4/month
County
Levels 1–5: +0.1/month to +0.4/month (5 levels give it)
mandala-capital· game/common/buildings/tgp_great_project_buildings.txt
Mahabodhi Temple+0.3/month
County
holy-site-mahabodhi-temple· game/common/buildings/00_special_buildings.txt
Imam Ali Mosque+0.3/month
County
holy-site-imam-ali-mosque· game/common/buildings/00_special_buildings.txt
Great Mosque of Djenne+0.3/month
County
holy-site-great-mosque-of-djenne· game/common/buildings/00_special_buildings.txt
Great Mosque of Samarra+0.3/month
County
holy-site-great-mosque-of-samarra· game/common/buildings/00_special_buildings.txt
Canterbury Cathedral+0.3/month
County
Levels 1–3: +0.1/month to +0.3/month (3 levels give it)
holy-site-canterbury-cathedral· game/common/buildings/00_special_buildings.txt
The Prophetic Mosque+0.3/month
County
holy-site-prophetic-mosque· game/common/buildings/00_special_buildings.txt













Temple in Jerusalem+0.3/month
County
Levels 1–2: +0.3/month to +0.3/month (2 levels give it)
dome-of-the-rock· game/common/buildings/00_special_buildings.txt
Al-Azhar University+0.3/month
County
al-azhar-university· game/common/buildings/00_special_buildings.txt
The University of Sankoré+0.3/month
County
sankore-university· game/common/buildings/00_special_buildings.txt
The University of Siena+0.3/month
County
siena-university· game/common/buildings/00_special_buildings.txt
Nalanda University+0.3/month
County
nalanda-university· game/common/buildings/00_special_buildings.txt
City Walls of Toledo+0.3/month
County
city-wall-of-toledo· game/common/buildings/00_special_buildings.txt
Mount Athos+0.3/month
County
Levels 1–3: +0.1/month to +0.3/month (3 levels give it)
mount-athos· game/common/buildings/00_special_buildings.txt
Saint Catherine's Monastery+0.3/month
County
saint-catherine· game/common/buildings/00_special_buildings.txt

Gold Mines of Mali+0.3/month
County
Levels 1–4: +0.1/month to +0.3/month (4 levels give it)
mali-mines· game/common/buildings/00_special_mines.txt
Official Almshouses+0.3/month
County
Levels 1–4: +0.05/month to +0.3/month (4 levels give it)
oath-poor-building· game/common/buildings/99_ach_buildings.txt
St George of Lalibela+0.3/month
County
beta-giyorgis· game/common/buildings/ccp3_special_buildings.txt
Duomo of Florence+0.3/month
County
Levels 1–4: +0.05/month to +0.3/month (4 levels give it)
duomo-florence· game/common/buildings/ccp3_special_buildings.txt

Mont-Saint-Michel+0.3/month
County
Levels 1–4: +0.1/month to +0.3/month (4 levels give it)
mont-st-michel· game/common/buildings/cp6_special_buildings.txt
Iron Pillar of Delhi+0.3/month
County
Levels 1–4: +0.2/month to +0.3/month (4 levels give it)
qutb-minar· game/common/buildings/cp6_special_buildings.txt
Iron Lion of Cangzhou+0.3/month
County
iron-lion-cangzhou· game/common/buildings/cp8_special_buildings.txt

Sant'Apollinare Nuovo+0.25/month
County
apollinare-nuovo· game/common/buildings/00_special_buildings.txt
Bazaar of Herat+0.25/month
County
Levels 1–2: +0.15/month to +0.25/month (2 levels give it)
herat-bazaar· game/common/buildings/00_special_buildings.txt
Shuka of Dvin+0.25/month
County
Levels 1–2: +0.15/month to +0.25/month (2 levels give it)
dvin-shuka· game/common/buildings/00_special_buildings.txt
Khrom of Lhasa+0.25/month
County
Levels 1–2: +0.15/month to +0.25/month (2 levels give it)
lhasa-market· game/common/buildings/00_special_buildings.txt
Bazaar of Khiva+0.25/month
County
Levels 1–2: +0.15/month to +0.25/month (2 levels give it)
khiva-bazaar· game/common/buildings/00_special_buildings.txt
Marketplace of Cháng'ān+0.25/month
County
Levels 1–2: +0.25/month to +0.25/month (2 levels give it)
changan-market· game/common/buildings/00_special_buildings.txt
Bazaar of Lahur+0.25/month
County
Levels 1–2: +0.15/month to +0.25/month (2 levels give it)
lahur-bazaar· game/common/buildings/00_special_buildings.txt
Hamadan Bazaar+0.25/month
County
Levels 1–2: +0.15/month to +0.25/month (2 levels give it)
hamadan-bazaar· game/common/buildings/00_special_buildings.txt
Marketplace of Dūnhuáng+0.25/month
County
Levels 1–2: +0.15/month to +0.25/month (2 levels give it)
dunhuang-market· game/common/buildings/00_special_buildings.txt
Sunday Bazaar+0.25/month
County
Levels 1–2: +0.15/month to +0.25/month (2 levels give it)
sunday-bazaar· game/common/buildings/00_special_buildings.txt
Cologne Cathedral+0.2/month
County
holy-site-cologne-cathedral· game/common/buildings/00_special_buildings.txt
Iron Pillar of Delhi+0.2/month
County
iron-pillar-of-delhi· game/common/buildings/00_special_buildings.txt
Iron Pillar of Dhar+0.2/month
County
iron-pillar-of-dhar· game/common/buildings/00_special_buildings.txt


The Tower of London+0.2/month
County
the-tower-of-london· game/common/buildings/00_special_buildings.txt
Brihadeeswarar Temple+0.2/month
County
brihadeeswarar-temple· game/common/buildings/00_special_buildings.txt

Golden Gate of Kyiv+0.2/month
County
golden-gate-of-kiev· game/common/buildings/00_special_buildings.txt

Cathedral of Santiago de Compostela+0.2/month
County
holy-site-basilica-santiago· game/common/buildings/00_special_buildings.txt

Church of Saint Lazarus+0.2/month
County
saint-lazarus· game/common/buildings/00_special_buildings.txt
Sumela Monastery+0.2/month
County
Levels 1–2: +0.1/month to +0.2/month (2 levels give it)
sumela-monastery· game/common/buildings/00_special_buildings.txt
Meteora+0.2/month
County
Levels 1–2: +0.1/month to +0.2/month (2 levels give it)
meteora· game/common/buildings/00_special_buildings.txt
Cathedral of Vagarshapat+0.2/month
County
etchmiadzin-cathedral· game/common/buildings/00_special_buildings.txt

Troglodytic Settlements+0.2/month
County
fairy-chimneys· game/common/buildings/00_special_buildings.txt
Pemba Trade Ports+0.2/month
County
swahili-port-pemba· game/common/buildings/00_special_buildings.txt
Port of Mombasa+0.2/month
County
swahili-port-mombasa· game/common/buildings/00_special_buildings.txt
Pate Island Trade Ports+0.2/month
County
swahili-port-pate· game/common/buildings/00_special_buildings.txt



Giant Wild Goose Pagoda+0.2/month
County
giant-wild-goose-pagoda· game/common/buildings/00_special_buildings.txt


Itsukushima Shrine+0.2/month
County
Levels 1–2: +0.1/month to +0.2/month (2 levels give it)
itsukushima-jinja· game/common/buildings/00_special_buildings.txt
White Deer Grotto Academy+0.2/month
County
white-deer-grotto-academy· game/common/buildings/00_special_buildings.txt





Somapura University+0.2/month
County
somapura-university· game/common/buildings/ccp3_special_buildings.txt

University of al-Qarawiyyin+0.2/month
County
al-qarawiyyin-university· game/common/buildings/ccp3_special_buildings.txt
Collegiate Church of St Mary and St Alexius+0.2/month
County
Levels 1–3: +0.1/month to +0.2/month (3 levels give it)
wawel-cathedral· game/common/buildings/ccp3_special_buildings.txt
Saint Peter's Basilica+0.2/month
County
holy-site-st-peters-basilica· game/common/buildings/cp6_special_buildings.txt

Maijishan Grottoes+0.2/month
County
maijishan-grottoes· game/common/buildings/cp8_special_buildings.txt
Gaocheng Observatory+0.2/month
County
dengfeng-observatory· game/common/buildings/cp8_special_buildings.txt



Wilwatikta Palace+0.2/month
County
wilwatikta-palace· game/common/buildings/cp8_special_buildings.txt
Temples of Angkor+0.2/month
County
Levels 1–2: +0.1/month to +0.2/month (2 levels give it)
temples-angkor· game/common/buildings/cp8_special_buildings.txt
Watermills+0.18/month
County
Levels 1–8: +0.04/month to +0.18/month (8 levels give it)
watermills· game/common/buildings/00_standard_economy_buildings.txt
Windmills+0.18/month
County
Levels 1–8: +0.04/month to +0.18/month (8 levels give it)
windmills· game/common/buildings/00_standard_economy_buildings.txt
Qanats+0.18/month
County
Levels 1–8: +0.04/month to +0.18/month (8 levels give it)
qanats· game/common/buildings/00_standard_economy_buildings.txt
Caravanserai+0.16/month
County
Levels 1–8: +0.02/month to +0.16/month (8 levels give it)
caravanserai· game/common/buildings/00_standard_economy_buildings.txt
Murex Fisheries+0.16/month
County
Levels 1–8: +0.02/month to +0.16/month (8 levels give it)
murex-farm· game/common/buildings/00_standard_economy_buildings.txt


Grand Temple+0.15/month
County
holy-site-pagan-grand-temple· game/common/buildings/00_special_buildings.txt
Grand Temple+0.15/month
County
holy-site-indian-grand-temple· game/common/buildings/00_special_buildings.txt
Grand Temple+0.15/month
County
holy-site-buddhist-grand-temple· game/common/buildings/00_special_buildings.txt
Grand Shrine+0.15/month
County
holy-site-japanese-temple· game/common/buildings/00_special_buildings.txt
Grand Temple+0.15/month
County
holy-site-chinese-temple· game/common/buildings/00_special_buildings.txt
Grand Temple+0.15/month
County
holy-site-se-asia-pagan-temple· game/common/buildings/00_special_buildings.txt
Grand Temple+0.15/month
County
holy-site-other-grand-temple· game/common/buildings/00_special_buildings.txt
The Great Mosque of Cordoba+0.15/month
County
holy-site-great-mosque-of-cordoba· game/common/buildings/00_special_buildings.txt
Temple of the Theotokos+0.15/month
County
Levels 1–2: +0.15/month to +0.15/month (2 levels give it)
church-of-the-theotokos· game/common/buildings/00_special_buildings.txt

Po Klong Garai Temple+0.15/month
County
po-klong-garai· game/common/buildings/00_special_buildings.txt








Lingapura Pyramid+0.15/month
County
pyramid-lingapura· game/common/buildings/cp8_special_buildings.txt
Three Pagodas of Dali+0.15/month
County
three-pagodas-dali· game/common/buildings/cp8_special_buildings.txt
Stone Pagoda of Mireuksa+0.15/month
County
stone-pagoda· game/common/buildings/cp8_special_buildings.txt


Great Fire Temple+0.1/month
County
holy-site-fire-temple· game/common/buildings/00_special_buildings.txt














Pagoda of Fogong Temple+0.1/month
County
pagoda-of-fogong-temple· game/common/buildings/00_special_buildings.txt
Tiantai Monasteries+0.1/month
County
tiantai-monasteries· game/common/buildings/00_special_buildings.txt


Great Buddha of Kamakura+0.1/month
County
buddha-kamakura· game/common/buildings/cp8_special_buildings.txt
Fanfang of Guangzhou+0.1/month
County
fanfang-guangzhou· game/common/buildings/cp8_special_buildings.txt

Temple of Confucius+0.1/month
County
confucius-temple· game/common/buildings/cp8_special_buildings.txt


Archbasilica of Saint John Lateran+0.1/month
County
pam-lateran-basilica· game/common/buildings/pam_buildings.txt

Vihara Halls+0.08/month
County
Levels 1–8: +0.01/month to +0.08/month (8 levels give it)
vihara-halls· game/common/buildings/temple_citadel_buildings.txt
Megalith+0.07/month
County
Levels 4–8: +0.03/month to +0.07/month (5 levels give it)
megalith· game/common/buildings/00_temple_buildings.txt

Blacksmiths+0.05/month
County · culture with Coking
Levels 1–8: +0.02/month to +0.05/month (8 levels give it)
smiths· game/common/buildings/00_standard_military_buildings.txt
Scriptorium+0.05/month
County · culture with Block Printing
Levels 1–8: +0.02/month to +0.05/month (8 levels give it)
scriptorium· game/common/buildings/00_temple_buildings.txt
Cathedral+0.03/month
County
great-project-cathedral-under-construction· game/common/buildings/pam_buildings.txt
Dynasty legacies (1)
Eternal City+0.1/month
Bureaucracy legacy · Members of the dynasty
ep3_administrative_legacy_4· game/common/dynasty_perks/06_ep3_dynasty_perks.txt
Source: game/common/buildings/00_special_buildings.txt, game/common/buildings/00_special_mines.txt, game/common/buildings/00_standard_economy_buildings.txt, game/common/buildings/00_standard_military_buildings.txt, game/common/buildings/00_temple_buildings.txt, game/common/buildings/99_ach_buildings.txt, game/common/buildings/ccp3_special_buildings.txt, game/common/buildings/cp6_special_buildings.txt, game/common/buildings/cp8_special_buildings.txt, game/common/buildings/pam_buildings.txt, game/common/buildings/temple_citadel_buildings.txt, game/common/buildings/tgp_great_project_buildings.txt, game/common/dynasty_perks/06_ep3_dynasty_perks.txt, game/common/traits/00_traits.txt and the English localisation, Crusader Kings III 1.20.0.3. Building chains are shown once, at their strongest level, with the range over their levels. Effects that come only from events or scale with a script value are not listed.