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The Ministry of Colonial Affairs (拓務省,Takumushō) was acabinet-levelgovernment ministry of theEmpire of Japan from 1929 to 1942.

The original Ministry of Colonial Affairs was the short-livedHokkaidō Colonization Office, established in the earlyMeiji period byPrime MinisterKuroda Kiyotaka to protect Japan's sparely populated northern frontier against encroachment by theRussian Empire by encouraging the settlement of ex-soldiers asmilitia-farmers inHokkaidō.

This was followed by the even shorter-livedColonial Administration Department within the office of theGovernor-General of Taiwan. Established on 2 April 1896 by GeneralTakashima Tomonosuke, it was intended to encourage Japanese investment and settlement inTaiwan, after the acquisition of that island by Japan as a result of theFirst Sino-Japanese War. The office was abolished on 2 September 1897.

Japan acquiredKorea, Karafuto (SouthSakhalin), and theKwantung Leased Territory as a result of theRusso-Japanese War, and aColonization Bureau (拓務局,Takumukyoku) was established within theJapanese Home Ministry on 22 June 1910. The bureau came under much criticism for its ineffectiveness,^{[by whom?]} and on 10 June 1929, it was elevated into a separate cabinet-level ministry under Prime MinisterGiichi Tanaka.

The new ministry was intended to coordinate emigration and settlement in all exterior territories of Japan, and had supervisory responsibility forJapanese controlled territory of Korea (朝鮮,Chōsen),of Taiwan (台湾,Taiwan),of Karafuto (樺太,Karafuto) (or South Sakhalin),of Nanyo (南洋,Nan'yō) (or South Seas Mandate), and theKwantung Leased Territory (関東,Kantō).

However, the ministry did not actually sponsor emigration to those territories. It only provided advice and cooperated with private emigration sponsorship companies.

The ministry also oversaw operations of theSouth Manchuria Railway Company, but its authority did not extend toManchuria due to strong resistance by theMinistry of War, who wanted to keep control over the future economic development of Manchuria to itself.

Likewise, theGovernor-General of Korea, who was accustomed to virtual autonomy, rejected the new ministry's control and continued to administer Korea with little interference.

On 1 November 1942, the Ministry of Colonial Affairs was abolished, and its functions divided between theJapanese Foreign Ministry and the newly createdMinistry of Greater East Asia.

Portrait		Name	Term of office		Cabinet
1		BaronTanaka Giichi 田中 義一	10 June 1929	2 July 1929	Tanaka
2		Matsuda Genji 松田 源治	2 July 1929	14 April 1931	Hamaguchi
3		Hara Shūjirō 原 脩次郎	14 April 1931	9 September 1931	2ndWakatsuki
4		BaronWakatsuki Reijirō 若槻 礼次郎	9 September 1931	13 December 1931
5		Hata Toyosuke 秦 豊助	13 December 1931	26 May 1932	Inukai
6		Nagai Ryūtarō 永井 柳太郎	26 May 1932	8 July 1934	Saitō
7		Okada Keisuke 岡田 啓介	8 July 1934	9 October 1934	Okada
8		CountKodama Hideo 兒玉 秀雄	9 October 1934	9 March 1936
9		Nagata Hidejirō 永田秀次郎	9 March 1936	2 February 1937	Hirota
10		Yūki Toyotarō 結城 豊太郎	2 February 1937	4 June 1937	Hayashi
11		Ōtani Sonyu 大谷 尊由	4 June 1937	26 May 1938	1stKonoe
12		Ugaki Kazushige 宇垣 一成	26 May 1938	30 September 1938
13		PrinceKonoe Fumimaro 近衞 文麿	30 September 1938	29 October 1938
14		Hatta Yoshiaki 八田 嘉明	29 October 1938	7 April 1939
15		Koiso Kuniaki 小磯國昭	7 April 1939	30 August 1939	Hiranuma
16		Kanemitsu Tsuneo 金光 庸夫	30 August 1939	16 January 1940	Abe
17		Koiso Kuniaki 小磯國昭	16 January 1940	22 July 1940	Yonai
18		Matsuoka Yōsuke 松岡 洋右	22 July 1940	28 September 1940	2ndKonoe
19		Akita Kiyoshi 秋田 清	28 September 1940	18 July 1941
20		Toyoda Teijirō 豊田 貞次郎	18 July 1941	18 October 1941	3rdKonoe
21		Tōgō Shigenori 東郷茂徳	18 October 1941	2 December 1941	Tōjō
22		Ino Hiroya 井野 碩哉	2 December 1941	2 November 1942

• Beasley, W.G. (1991).Japanese Imperialism 1894-1945. Oxford University Press.ISBN 0-19-822168-1.
• Ching, Leo T.S. (2001).Becoming Japanese: Colonial Taiwan and the Politics of Identity Formation. University of California Press.ISBN 0-520-22553-8.
• Myers, Raymond;Mark R Peattie (1987).The Japanese Colonial Empire, 1895-1945. Princeton University Press.ISBN 0-691-10222-8.
• Townsend, Susan C. (2000).Yanihara Tadao and Japanese Colonial Policy: Redeeming Empire. RoutledgeCurzon.ISBN 0-7007-1275-5.

• Colonial ministries
• Former government ministries of Japan
• Japanese colonial empire
• Foreign relations of the Empire of Japan
• Government of the Empire of Japan
• 1923 establishments in Japan
• 1942 disestablishments in Japan
• Government ministries established in 1923
• Organizations disestablished in 1942
• 1923 establishments in the Japanese colonial empire
• 1942 disestablishments in the Japanese colonial empire
• Colonisation of Hokkaido

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