Why Pakistani currency devalued over the years?

First you should know about the terms Devaluation and Depreciation of currencies.

Devaluation of Currency:

Devaluation occurs when central bank ( State Bank of Pakistan) decreases the value of currency relative to other foreign currency (dollar) consciously (at own will) .

Depreciation of currency:

 Depreciation occurs when value of currency decreases through some market forces and government and central bank (State bank) are not involved e.g If the country is in war etc and many more factors.

Most of the time Pakistan is the victim of devaluation of currency, so we will discuss about devaluation.

In the past most of the experts advice the government to devalue currency because Pakistan was facing trade deficit (when export is less than import). Most countries devalue their currency to increase export but that policy backfire Pakistan because of that policy cost of our import increases and our imported products are mostly raw material like Petroleum, Chemicals, metals etc ( we have to import these products because these are necessaries), due to this, inflation in Pakistan increases.

Beside this, devaluation of currency can easily increase the external dept of the country. Let suppose, Pakistan has debt of  $70 billion, if currency devalues by 25%, our dept will automatically increase to  $87.5 billion without getting any loan. 

According to government figures due to devaluing of rupee during 2008 to 2013 cause our debt to increase by Rs 1.9 trillion, so these kinds of policies should be change which causes a bad impact on our economy.

According to current report;

                                            $1          =        Rs 161

As a Pakistani , I am literally concern about Pakistan because due to bad policies of governments, our country has suffer a lot.

Just think for Pakistan

 Thanks