what does this symbol mean?
A flag divided diagonally by a black band edged in yellow, from the bottom by the pole to the top at the fly, green above and blue below

Flag of Tanzania

Tanzania’s flag is divided diagonally by a black band edged in gold, from the bottom corner by the pole to the top corner at the fly, with green above and blue below. Tanzania’s Daily News explains the green as vegetation and fertile land, the black as the people, the gold as the country’s natural wealth and the blue as its lakes, rivers and ocean.

Easily confused with

How to read it

The flag was adopted on 30 June 1964, Store norske leksikon says, after Tanganyika and Zanzibar united, and its proportions are 2:3. In a letter of December 2018 passing on instructions from the Ministry of Home Affairs, reported by Mwananchi, the Ministry of Education gave the colours as green, gold, black and blue, said it was wrong to use yellow, and gave the ratio as 2:3.

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Two flags in one

The flag joins the flags of the two states that formed Tanzania in 1964. Norway’s Store norske leksikon describes Tanganyika’s flag of 1961 to 1964 as green, black and green horizontal stripes separated by narrow yellow stripes, and the People’s Republic of Zanzibar’s from February to June 1964 as blue, black and green; Tanzania’s flag is a synthesis of the two. Lex, the Danish national encyclopedia, traces the colours further back, to the party flags of TANU in Tanganyika and the Afro-Shirazi Party in Zanzibar, and says they were set diagonally so that neither state’s colours would come first.

What the colours stand for

The Daily News gives green for vegetation and fertile land, black for the people, gold for natural wealth and blue for lakes, rivers and the ocean. Lex has green for the land, black for the people, the narrow stripes for mineral wealth, and blue for both Zanzibar and the sea.

Gold, not yellow

The government’s instruction of 2018 says the narrow stripes are gold (dhahabu), and that using yellow (njano) is a mistake.

Telling it from Namibia’s flag

Namibia’s flag is split the same way, by a diagonal band from the bottom corner by the pole, with a blue and a green triangle. Namibia’s band is red edged with white, its blue triangle is at the top with a gold sun of twelve rays, and its green is at the bottom; Tanzania’s band is black edged with gold, with green at the top and blue at the bottom, and no sun.

More african flags

The same shape elsewhere

Sources

Researched, edited and approved by Rory Hansen before publishing. Last reviewed October 13, 2026. How we research

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