Working Holiday The United States has a Student Work and Travel Pilot program for nationals from Australia and New Zealand. 
Visa Information   Visa Information for United States 

A visa waiver program is available for visitors from Andorra, Australia, Austria, Belgium, Brunei, Chile, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Japan, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, Netherlands, New Zealand, Norway, Portugal, San Marino, Singapore, Slovakia, Slovenia, South Korea, Spain, Sweden, Switzerland, Taiwan and the United Kingdom. The visa waiver is valid for a maximum of 90 days. If you have visited or a national of Iran, Iraq, Libya, Somalia, Sudan, Syria, or Yemen, you are not eligible for the Visa waiver program. In order to use the visa waiver program you will need to apply for The Electronic System for Travel Authorization (ESTA). ESTA costs US$14 person and can take up to 72 hours, in most cases an ESTA number is provided almost instantly. 

Passport holders from American territories, Bermuda and Canada may visit without a visa. 

If you do not have a United States passport expect to be fingerprinted and photographed on entry. Everyone else can line up at their nearest embassy or consulate. Visas start at $160 and can take quite some time to sort out.

If you are interested in the green card lottery you can sign up for free at the correct site. 
Information about the Electronic Diversity Visa Lottery
To be very sincere with you, USA visa is the most difficult visa to secure since the advent of President Donald Trump.
The most requirement is that everyone most go for an oral interview with the consular and having pass all physical security check stress, you may be surprise that only 1 applicant may be consider visa out of thousands that went for interview with you that same day.
The consular appears in a transparent glass asking you various technical quest via electronic micro phone little speaker mount in the front of your desk. your supporting document can not speak for you but most go along with it in case the consular ask you to proof it beyond reasonable doubt which will be handed overback to you later on.
The USA drop box excise has been canceled. in other word, you have to pass through interview process as in the same way you got your fist time USA visa before now.

The following are the application requirement of USA and other schengen countries visa especially when applying from most of the African home countries with ordinary passport:
1. valid 6 months time ordinary passport.
2. past 6 months statement of bank account(showing enough fund that can carter for your responsibilities during your stay which is from above $3,000 UDS) of minimum balance in your bank account statement.
3. letter of invitation
4. marriage certificate if married
5. Proof of your strong tires.(Family pictures and valuable property in a documents
6. your latter of employment and leave 
7. your medical insurance that cover up to your stay in the country
8. two copies of your recent passport photograph with white back.
9. application (DST-160 FORM)
10. proof of $160 USD visa fee receipt

To apply, email info@wakkago.com

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