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+```cpp
+size_type max_size() const;
+```
+
+## Description
+
+Returns the type-dependent maximum number of elements the JSON container is able to hold due to system or library implementation limitations, i.e. `std::distance(begin(), end())` for the largest container.
+
+## Return value
+
+The return value depends on the different value types and is defined as follows:
+
+| Value type | return value             |
+| ---------- | ------------------------ |
+| null       | `0`                      |
+| boolean    | `1`                      |
+| string     | `1`                      |
+| number     | `1`                      |
+| object     | `ObjectType::max_size()` |
+| array      | `ArrayType::max_size()`  |
+
+## Parameter
+
+None.
+
+## Complexity
+
+Constant, as long as `ArrayType` and `ObjectType` satisfy the [Container concept](http://en.cppreference.com/w/cpp/concept/Container).
+
+## Exceptions
+
+None. The function's noexcept-specification is `noexcept`.
+
+## Notes
+
+This value is typically equal to `std::numeric_limits<size_type>::max()`, and reflects the theoretical limit on the size of the container. At runtime, the size of the container may be limited to a value smaller than `max_size()` by the amount of RAM available.
+
+## Example
+
+```cpp
+#include <iostream>
+#include <json.hpp>
+ 
+int main()
+{ 
+    nlohmann::json array {"string", true, 17, 23.42};
+ 
+    std::cout << "Maximum size of a JSON array is " << array.max_size() << "\n";
+}
+```
+
+Output:
+
+```
+Maximum size of a JSON array is 1152921504606846975
+```
+
+## See also
+
+- [**size**](https://github.com/nlohmann/json/wiki/nlohmann::basicjson::size)<br>
+returns the number of elements<br>
+_public member function_
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