What is the largest man made lake in the world?

Answer 1

There are two ways to answer this question, and each way results in a different answer.

Largest Man Made lake by surface area is Lake Volta in Ghana at 8,482 Km2 (3,274.9 mi2).

Largest Man Made lake by volume is Lake Kariba on the border of Zambia and Zimbabwe at 180 km3.

For info...

The following are the world's ten largest reservoirs by surface area:

1. Lake Volta (8,482 km2 or 3,275 sq mi; Ghana)

2. Smallwood Reservoir (6,527 km2 or 2,520 sq mi; Canada)

3. Kuybyshev Reservoir (6,450 km2 or 2,490 sq mi; Russia)

4. Lake Kariba (5,580 km2 or 2,150 sq mi; Zimbabwe, Zambia)

5. Bukhtarma Reservoir (5,490 km2 or 2,120 sq mi; Kazakhstan)

6. Bratsk Reservoir (5,426 km2 or 2,095 sq mi; Russia)

7. Lake Nasser (5,248 km2 or 2,026 sq mi; Egypt, Sudan)

8. Rybinsk Reservoir (4,580 km2 or 1,770 sq mi; Russia)

9. Caniapiscau Reservoir (4,318 km2 or 1,667 sq mi; Canada)

10. Lake Guri (4,250 km2 or 1,640 sq mi; Venezuela)

List of reservoirs by volume

1. Lake Kariba (180 km3 or 43 cu mi; Zimbabwe, Zambia)

2. Bratsk Reservoir (169 km3 or 41 cu mi; Russia)

3. Lake Nasser (157 km3 or 38 cu mi; Egypt, Sudan)

4. Lake Volta (148 km3 or 36 cu mi; Ghana)

5. Manicouagan Reservoir (142 km3 or 34 cu mi; Canada)

6. Lake Guri (135 km3 or 32 cu mi; Venezuela)

7. Williston Lake (74 km3 or 18 cu mi; Canada)

8. Krasnoyarsk Reservoir (73 km3 or 18 cu mi; Russia)

9. Zeya Reservoir (68 km3 or 16 cu mi; Russia)

Answer 2

There are two ways to answer this question, and each way results in a different answer.

Largest Man Made lake by surface area is Lake Volta in Ghana at 8,482 Km2 (3,274.9 mi2).

Largest Man Made lake by volume is Lake Kariba on the border of Zambia and Zimbabwe at 180 km3.

For info...

The following are the world's ten largest reservoirs by surface area:

1. Lake Volta (8,482 km2 or 3,275 sq mi; Ghana)

2. Smallwood Reservoir (6,527 km2 or 2,520 sq mi; Canada)

3. Kuybyshev Reservoir (6,450 km2 or 2,490 sq mi; Russia)

4. Lake Kariba (5,580 km2 or 2,150 sq mi; Zimbabwe, Zambia)

5. Bukhtarma Reservoir (5,490 km2 or 2,120 sq mi; Kazakhstan)

6. Bratsk Reservoir (5,426 km2 or 2,095 sq mi; Russia)

7. Lake Nasser (5,248 km2 or 2,026 sq mi; Egypt, Sudan)

8. Rybinsk Reservoir (4,580 km2 or 1,770 sq mi; Russia)

9. Caniapiscau Reservoir (4,318 km2 or 1,667 sq mi; Canada)

10. Lake Guri (4,250 km2 or 1,640 sq mi; Venezuela)

List of reservoirs by volume

1. Lake Kariba (180 km3 or 43 cu mi; Zimbabwe, Zambia)

2. Bratsk Reservoir (169 km3 or 41 cu mi; Russia)

3. Lake Nasser (157 km3 or 38 cu mi; Egypt, Sudan)

4. Lake Volta (148 km3 or 36 cu mi; Ghana)

5. Manicouagan Reservoir (142 km3 or 34 cu mi; Canada)

6. Lake Guri (135 km3 or 32 cu mi; Venezuela)

7. Williston Lake (74 km3 or 18 cu mi; Canada)

8. Krasnoyarsk Reservoir (73 km3 or 18 cu mi; Russia)

9. Zeya Reservoir (68 km3 or 16 cu mi; Russia)